Tools

The BRK-1 is our ultimate mobile mechanic tool kit. This tailored selection of 100 professional-grade bike tools was carefully chosen by our team of experienced mechanics, with a comprehensive offering of the tools you'll need to adjust, replace, diagnose, and repair most components on a bicycle. Whether you're working in a professional race pit, neutral support tent at a local event, or the trailhead parking lot, you'll have the tools you need — and none of the tools you don't. The BRK-1 was designed around our BX-3 Rolling Big Blue Box, a professional-grade toolbox for the professional bike mechanic. When open, the BX-3 is a neatly-organized display of your tool collection, featuring dual-sided pallets with hundreds of custom-designed loops and pockets. The BX-3 has room to grow your tool collection even when fully loaded with the contents of the BRK-1. When closed, the BX-3 is built for travel, with a tough weather-resistant outer shell, integrated wheels and an extendable handle. - BX-3 Dimensions: 23.4"" x 17.3"" x 9.3"" (59.5 cm x 44 cm x 23.5 cm) - Weight: 48.5 lbs (22 kg) NOTE: Tool kit contents are subject to change.

A professional level tool set designed and built for portability. The EK-3 is perfect for team and event mechanics or the home mechanic who wants the ultimate portable tool kit. Neatly organized in Park Tool's world-famous BX-2.2 Blue Box Tool Case, this tool kit features 56 of their best tools to do hundreds of repair and maintenance tasks. Plus, the bomb-proof Blue Box features pockets, pouches, straps and open space to add more tools and parts! Kit Includes: - ATD-1.2 Adjustable Torque Driver - AWS-1 Three-Way Hex Wrench Set: 4, 5, 6mm - BBT-9 Bottom Bracket Tool for 16-Notch External Bearing Cups - BBT-32 Bottom Bracket Tool for 20 Notch Shimano and ISIS Drive - BO-2 Bottle Opener - CC-4 Chain Checker - CN-10 Professional Cable and Housing Cutter - CNW-2 Chainring Nut Wrench - CP-1.2 Cassette Pliers - CT-3.3 Chain Tool - CWP-7 Compact Universal Crank Puller - DCW-1 Double-Ended Cone Wrench: 13/14mm (2) - DCW-2 Double-Ended Cone Wrench: 15/16mm (2) - DCW-3 Double-Ended Cone Wrench: 17/18mm - DSD-2 Derailleur Screwdriver: Cross Tip - DSD-4 Derailleur Screwdriver: Flat Blade - DT-2 Rotor Truing Fork - FR-5.2H Cassette Lockring Tool with Handle - GSC-1 GearClean Brush - HCW-15 36mm/32mm Headset Wrench - HMR-8 Shop Hammer - HT-8 8mm Hex Tool - HXS-1.2 Hex Wrench Set - LP-7 Utility Pliers - MLP-1.2 Master Link Pliers - MW-8 Metric Wrench: 8mm - MW-9 Metric Wrench: 9mm - MW-10 Metric Wrench: 10mm - PAW-12 12" Adjustable Wrench - PW-4 Professional Pedal Wrench - RR-12 Tape Measure - SW-0 Precision Spoke Wrench: .127" - SW-2 Precision Spoke Wrench: .136" - SZR-1 Shop Scissors - TL-6.2 Steel Core Tire Levers - TWS-1 Torx Compatible Wrench Set

The PK-5 includes over 90 of our best shop tools selected with versatility in mind. A great way to outfit a pro bench or to set up a dream home workshop. The PK-5 is an impressive, professional set of specialty tools that can help you perform hundreds of bicycle repair and maintenance procedures. An investment you'll use and appreciate for decades. Kit Includes: - ATD-1.2 Adjustable Torque Driver - AWS-1 Three-Way Hex Wrench Set: 4, 5, 6mm - AWS-3 Three-Way Hex Wrench Set: 2, 2.5, 3mm - BBT-10.2 Adjusting Cap Tool: For 8-Spline Hollowtech II - BBT-22 Bottom Bracket Tool - BBT-69.2 Bottom Bracket Tool - BO-2 Bottle Opener - CBW-1 Open End Wrench: 8/10mm - CBW-4 Open End Wrench: 9/11mm - CC-4 Chain Checker - CN-10 Professional Cable and Housing Cutter - CNW-2 Chainring Nut Wrench - CP-1.2 Cassette Pliers - CT-3.3 Chain Tool - CWP-7 Compact Universal Crank Puller - DAG-2.2 Derailleur Hanger Alignment Gauge - DH-1 Dummy Hub - DP-2 Threaded Dummy Pedal - DSD-2 Derailleur Screwdriver: Cross Tip - DSD-4 Derailleur Screwdriver: Flat Blade - DT-2 Rotor Truing Fork - FR-5.2H Cassette Lockring Tool with Handle - GSC-1 GearClean Brush - HMR-8 8 oz. Shop Hammer - HXS-1.2 Hex Wrench Set - MLP-1.2 Master Link Pliers - NP-6 Needle Nose Pliers - PAW-6 6" Adjustable Wrench - PH-1.2 P-Handle Hex Wrench Set - PW-4 Professional Pedal Wrench - RR-12 Tape Measure - SBC-1 Spoke, Bearing and Cotter Gauge - SBS-1.2 Socket and Bit Set - SCW-13 13mm Shop Cone Wrench - SCW-14 14mm Shop Cone Wrench - SCW-15 15mm Shop Cone Wrench - SCW-16 16mm Shop Cone Wrench - SCW-17 17mm Shop Cone Wrench - SCW-18 18mm Shop Cone Wrench - SCW-19 19mm Shop Cone Wrench - SP-7 Side Cutter Pliers - SW-0 Precision Spoke Wrench: .127" - SW-2 Precision Spoke Wrench: .136" - SWR-8 3/8" Drive Ratchet Handle - SZR-1 Shop Scissors - TL-1.2 Tire Lever Set - TL-4.2 Tire Lever Set - TL-6.2 Steel Core Tire Levers - TWS-1 Torx Compatible Wrench Set - UP-SET Utility Pick Set - VC-1 Valve Core Tool - ZP-5 5" Flush Cut Pliers

Redesigned! We've made the base stronger for better stability. One-size-fits-all conical thru-axle adapters are now included with the stand, and are held in place by magnets when not in use. The arms have been made longer to accommodate 29+ wheels better and the calipers widened accordingly. Threads, springs and bearings were all revised resulting in smoother operation plus less frequent calibration. Additionally, we include white high-gloss stickers you can apply to the base and caliper arm to improve background contrast, making it easier than ever to use. -Stronger base for improved precision -Longer and redesigned upright arms for improved clearance of 29+ wheels -Wider calipers for increased clearance of 29+ wheels -Accommodates wider axles, works with through axle hubs up to 197mm width (include the use of adapters). Max. arm opening 230mm (without the use of adapters). -New bearings on the upright arm adjust axle are spring loaded for improved precision and reduced frequency of calibration -Redesigned caliper tips for easier radial truing -Revised threads and springs for smoother operation -8mm bench mount holes at the bottom, 268 mm center to center -Slicker design, all black. Includes white high gloss stickers, covering the base and caliper arm, for improved background contrast (stickers are not preapplied) -Comes with conical magnetic through axle adapters – one size fits all (12, 15 and 20). The adapters are now magnetic and can be affixed anywhere on the base. Features a bolt for more permanent fix on the upright arms. Compatibility: -Accepts wheels from 16 to 29+ inch with or without tire. Supports solid, quick release and through axle hubs -Accepts hubs up to 197mm when using our thru axle adapters, 230mm without. -Through axle hubs are supported with use of the adapters (included) -One pair of through axle adapters support all sizes of through axles

The DT-5.2 is engineered and built to accurately face front or rear disc brake mounts so they are precisely aligned to the rotor. - Faces any IS Mount, Post Mount, or new Shimano Flat Mount, including low clearance, chainstay mounts - Telescoping axle adaptors allow use with any configuration of open or thru-axle dropouts and dropout widths (including Boost 110, Boost 148 and all fat bike axles) - Includes two facing cutters: IS Mounts Post and Flat Mounts - Includes storage case

We put together this set of carefully chosen tools to do basic maintenance and cleaning as well as perform a wide variety of repairs and adjustments on just about any bicycle. A perfect way to start or add to your collection of shop-quality bicycle tools. The AK-5 includes a tough toolbox to protect your investment. Kit Includes: - AWS-1 3-Way Hex Wrench - BBB-4 Big Blue Book of Bicycle Repair - CC-4 Chain Checker - CM-5.3 Cyclone Chain Scrubber - CN-10 Professional Cable and Housing Cutter - CNW-2 Chainring Nut Wrench - CT-3.3 Chain Tool - DCW-1 Double-Ended Cone Wrench: 13/14mm - DCW-2 Double-Ended Cone Wrench: 15/16mm - DCW-3 Double-Ended Cone Wrench: 17/18mm - DH-1 Dummy Hub - DT-2 Rotor Truing Fork - FR-5.2 Cassette Lockring Tool - GSC-1 GearClean Brush - HCW-16.3 Chain Whip/Pedal Wrench - HXS-1.2 Professional L-Shaped Hex Wrench Set - MLP-1.2 Master Link Pliers - PAW-12 12" Adjustable Wrench - RR-12 Tape Measure - SD-2 #2 Phillips Screwdriver - SD-3 3mm Flat Blade Screwdriver - SW-0 Precision Spoke Wrench: .127" - SW-2 Precision Spoke Wrench: .136" - TL-1.2 Tire Lever Set - TWS-3 Torx Compatible 3-Way Wrench - VC-1 Valve Core Tool

The SHX-1 Slide Hammer Extractor is a professional solution specifically designed for removing press fit cartridge bearings from bicycle components. Utilizing expanding collets, an extendable shaft, and a substantial (960g) slide hammer, the SHX-1 securely yet forcefully drives out cartridge bearings with targeted impact. The SHX-1 is compatible with cartridge bearings with inner diameters from 6 to 32 millimeters, covering most press fit applications found on bicycles including hubs, suspension linkages, and bottom brackets. - Set of 5 expanding collets covers most bicycle bearing IDs from 6mm to 32mm - Slide hammer shaft is extendable from 6.5" (165mm) to 13" (233mm) for additional force when needed - Organized in a convenient storage case

The Team Edition Portable Tool Kit is the ultimate field and home service partner for the most discerning bike mechanics. Developed with input from Tour de France, Enduro World Cup and World Cup Downhill mechanics, the ultralight and compact footprint offers 25 of the most common bike repair and maintenance features – from 19 bicycle-specific tools. Housed in a TPU-coated case, this beautiful tool collection is protected from water, grease and abrasion. Its compact design means you’ll always bring it with you, wherever you’re riding today. - 25 functions from 19 professional grade bicycle-specific tools - Ergonomic, overmolded file tread grips for precision, comfort and style - External attachment and internal support structure for mounting on Feedback Sports work stands - TPU-coated travel case is abrasion-resistant, water-resistant, resistant to greases and oils – built to last - Organizational elastic banding keeps everything in it’s place and offers space for additional tools - Allen Wrenches – 2 / 2.5 / 3 / 4 / 5 / 6mm -8 &10mm L-handle Allen Wrenches - Magnetic-Tipped Screwdrivers – Flathead 6mm; Phillips #2 and #0 - Shimano Crank Cap Tool - 15mm Pedal Wrench - 15mm Bolt-on Axle Nut Tool - Steel Core Tire Levers (2) - Spoke Multi-Wrench - Valve Extender Wrench - Valve Core Tools – Schrader and Presta - Rotor Truing Tools - Precision Chain Pin Press - Cassette and Disc Brake Rotor Lockring Wrench - Cassette Pliers - Cable Cutter and Cable Crimper - And several more… - At 9.8lbs (4.5kg), hitting the road with this tool kit is never in question - Limited Lifetime Warranty

The BX-2.2 features updated pallet configuration and storage options to help you keep your tools secure and easily accessible. The expanded custom designed tool pallets, including dual-sided pallet wings, are all housed in a virtually indestructible composite travel case. Designed and built for the traveling mechanic who demands the best! - Custom designed tool-holding pallets with loops and pockets - Folding, dual-sided pallet wings - Front tool pallet that stores securely inside during transport - Dent-proof composite shell built around an aluminum frame - Key lock - Nominal dimensions: 19" x 14.85" x 8.5" (48.25 cm x 37.7 cm x 21.6 cm), 13.2 lbs. (6 kg)

Portable bicycle pressure washer with three lances, custom waterproof bag, cleaning solution, Bike Protect, Drivetrain Cleaner and C3 Ceramic Lube. Water supply is required. - Includes 3 lances; 1 for bicycles, 1 for motorcycles (higher- pressure), 1 bespoke (adjustable higher presser) for heavy grime, custom waterproof dry bag carry case - Also includes snow foam lance for Muc-Off Nano Tech Bike Cleaner creating a thick snow foam for deep cleaning - Weight: 15lbs - Intended for use with cold water only

Park Tool's 692 Left-Hand Bottom Bracket Tap is a 1.370" x 24 TPI replacement tap for the BTS-1 Bottom Bracket Tap Set. This tap is used on the drive side (right side) of the bike. This side of the bottom bracket uses a counter-clockwise or left-hand thread. Note: It is very important to have sharp and accurate cutting tools for effective tapping and thread-chasing. Using an excessively worn or damaged tap can cause permanent damage to the frame and/or bottom bracket.

- Crank Saver—Pedal thread repair and insert kit - Includes: left and right reaming tap 5/8x24 TPI, 10 pedal thread inserts for left crank arm, 10 pedal thread inserts for right crank arm, metal box with cut out SOS foam trays.

The BBP-1.2 quickly and accurately installs bottom bracket bearings, cups and adapters into press fit bottom bracket shells. The complete set of precision-machined bushings matches up with most common bottom bracket cup dimensions. The press assembly features a comfortable handle, oversized shaft, and magnetic back plate for quick and easy assembly. - The complete set of precision-machined bushings match up with most common bottom bracket cup dimensions - The press assembly features a comfortable handle, oversized shaft, and magnetic back plate for quick and easy assembly - Magnetic quick-release design allows for fast installation and removal of tool - Organized in a convenient storage case - Compatible with bottom bracket shell widths from 68mm to 150mm 6 sets of precision-machined bushings (in 9 sizes) to fit these bottom bracket configurations: - 386EVO - BB30 - BB86 - BB90 - BB92 - BB95 - BB121 - BMX Mid - BMX Spanish - OSBB - PF41 - Press Fit 24 - PressFit GXP® - BBright™ Direct Fit - PF30 BBright™ Press Fit - Shimano® Press Fit - All Press Fit DUB®

Park Tool's Crown Race Cutter Adaptor is used in conjunction with the CRC-1 Crown Race Cutting Tool (sold separately) to machine 39.8mm crown race seats (1.5” standard) on tapered forks with 1-1/8” steerer tubes. It includes a precision-machined adaptor body and a 39.8mm high-speed steel crown race cutter. The CRC-15 will work on forks with a maximum 1.5-inch taper of 4.25 inches.

Park's HHP-2 accurately aligns and presses 1-, 1-1/8-, 1-1/4- and 1.5-inch headset cups into your frame's headtube. It features a quick-release design for fast tool installation and removal, extra-long handles for superior leverage and stepped bushings for precise cup alignment. This versatile tool also presses cartridge bearings and cups into one-piece bottom bracket shells and holds fixed-cup wrenches in place when removing or installing adjustable-type bottom brackets.

A perfect way to start a bicycle tool collection! A great combination of tools to help a home mechanic clean, adjust, maintain, and do some basic repairs on their bike. The SK-4 includes more than 15 genuine Park Tool products that can perform dozens of tasks and includes a custom Park Tool toolbox with extra room for spare parts and more tools. The SK-4 includes: - AWS-10 Fold-Up Hex Wrench Set - BBB-4 Big Blue Book of Bicycle Repair - CC-3.2 Chain Checker - CN-10 Professional Cable and Housing Cutter - CT-5 Mini ChainBrute Chain Tool - FR-5.2 Cassette Lockring Tool - GSC-1 GearClean Brush - HCW-16.3 Chain Whip/Pedal Wrench - HR-8 8mm Hex Wrench - MLP-1.2 Master Link Pliers - SD-2 Shop Screwdriver: #2 Phillips - SW-7.2 Triple Spoke Wrench - TL-1.2 Tire Lever Set - TWS-3 Torx Compatible 3-Way Wrench

Park's Dial Indicator Gauge Set mounts to their TS-2 or TS-2.2 Truing Stand (sold separately). The set makes it easy to view and correct a wheel's lateral and radial run-out within a tolerance of .01mm. Compared to going by the gap between the truing stand pointer and rim, having gauges that put a number on the clearance makes wheel truing easier and more accurate.

- A torque wrench with adjustable range from 4-20Nm - Reversible ratcheting head - Bits are knurled to make insertion and removal easier - Includes the following hex bits 3 4 5 6 8 10 and T20 T25 and T30 Torx bits - Pro model also available which incl

- Essential bottom bracket bearing extractor set - (1) 6806 extractor, (1) 24x37 extractor, (1) 29 DUB extractor, (1) 22mm GXP extractor

The 37-piece SBS-3 from Park Tool is a comprehensive, shop-quality set of sockets, hex bits, and Torx compatible drivers selected specifically to tackle a wide variety of common bike repair needs. The SBS-3 also includes flat-faced sockets in common sizes for work on suspension forks. Ideal for use with Park Tool torque wrenches, the 3/8" drive bits and sockets are forged from tough, chrome vanadium steel and nickel chrome plated for lasting durability.

Bicycle tool set with ratchet, bit, sockets and a bit hand holder in a compact space. Perfect as a universal companion with a variety of screwdriving challenges. High-quality bit hand-holder with Kraftform Plus handle for comfortably ergonomic work, which avoids blisters and calluses. Bit ratchet for quick work when bolting by machine or when conventional hand tool is not possible due to lack of space. Fast switching from left to right and vice versa via the switching lever. Quick turning (by thumb) over the grooved ratchet head. Simple operation, even with just one hand. - Compact 39-piece screwdriving tool set for bicycle applications, also for mobile use - Hard grip zones for high working speed, soft grip zones for high torque transmission - Practical range for DIY assembly work and repairs - Tools for the most popular screw profiles on road bikes, mountain bikes and e-bikes - Robust, surface-friendly, compact low weight textile pouch - "Take-it-easy" tool finder: color coding by size

- 1/2" drive torque wrench (10-60Nm) - Features .5Nm adjustment increments and 72 ratcheting teeth in either direction

Designed and built specifically for a wide variety of bicycle hex work the THH-1 is a set of eight common sizes of professional quality T-Handle hex wrenches built for speed, efficiency, leverage and a perfect fit. Soon to become your favorite hex set, the THH-1 includes a handy tool holder that mounts to any vertical surface, including pegboard and solid surfaces (fasteners not included). - Carefully selected combination of Chrome Vanadium and S-2 tool steels - 2, 2.5, 3, 4, 5, 6, 8 and 10mm hex wrenches included - Unique anodized aluminum Speed Spinner makes running long bolts in and out quick and effortless - Machined, chamfered tips allow easier insertion into hex fittings - Integrated “Strip-Gripper” twisted hex that makes removal of most bolts with stripped or over-sized hexes fast and easy - Sliding T-handle creates increased leverage and multiple access positions - Tool holder is included with the set and mounts to any wall, bench or tool box, perfectly positioning each wrench for easy access and storage

The BKM-1.2 Hydraulic Brake Bleed Kit will bleed most models of mineral oil-based hydraulic bicycle disc brakes, including models made by Shimano®, Magura®, TRP®, Tektro®, Trick Stuff®, SRAM® DB8, Campagnolo®, Promax®, and Clarks®. Bleeding of hydraulic brakes removes air bubbles and contaminants from the braking system, for long-lasting components and peak performance. The BKM-1.2 is built for the rigors of daily commercial use and includes two syringes, hoses with shutoff clips, multi-size bleed blocks, a bleed funnel, and a set of our unique mountable syringe holders, as well as multiple hose fittings to fit the multiple standards found on hydraulic bicycle brake systems. Every part is replaceable and available from Park Tool. Housed in a rugged storage case. Includes: -  Two 20 mL syringes -  Two hose assemblies with shutoff clips -  One hose assembly with integrated fitting for bleed nipples such as those found on Shimano® mineral oil brake systems -  One open-ended hose assembly -  Bleed funnel with stopper -  Two 10 mm/12 mm universal bleed blocks -  Two 11 mm bleed blocks -  Two adjustable syringe holders -  M4 x 0.7 adapters — SRAM® DB8, Trick Stuff®, Campagnolo® (x2) -  M5 x 0.8 adapter — Formula™ Cura™, Tektro®, Hayes® (x2) -  M6 x 0.75 adapter — Magura® -  M6 x 1.0 adapters — universal (x2) -  M6 x 1.0 adapter — Promax® -  M7 x 0.75 adapter — Shimano® -  Hose compression sleeve — universal -  Fluid disposal bag -  Set of spare O-rings and hose -  Replacement parts available -  Brake fluid not included NOTE: The BKM-1.2 is for mineral oil-based hydraulic bicycle brake systems only. DOT fluid and mineral oil should never be mixed in the brake system or in their respective service tools. Cross-contamination of brake fluid may cause seal failure which may result in brake failure. For brakes using DOT fluid use the Park Tool BKD-1.2 Hydraulic Brake Bleed Kit — DOT.

World-famous Park Tool quality wrapped up in a great set of metric combination wrenches. The MWR-SET includes 6mm to 17mm wrenches with a 12-point two-way ratcheting box end. Forged from chrome vanadium steel, chrome-plated, meticulously polished, then center dipped in Park Tool blue vinyl for a positive grip. Strong, comfortable, and beautiful! - Includes 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, and 17mm wrenches

The CT-15 is a professional-grade tool designed to drive rivets in and out of any bicycle chain, from beefy single-speed half-link chains to the latest 13-speed systems. The unique triple-wide floating shelf ensures that every chain is securely fixtured and centered during use. The ergonomic handle stores spare driving pins as well as a peening anvil used for peening Campagnolo® 11, 12, and 13-speed chains. Built for daily use and fully rebuildable. - Compatible with single-speed bicycle chains including 1/8"", 3/16"" and half-link - Compatible with all 5 to 13-speed derailleur chains, including SRAM® 12-speed Flattop™, SRAM® 12-speed T-Type, Shimano® 12-speed XTR®, and Campagnolo® 13-speed Ekar™ - Includes removable anvil for peening Campagnolo® 11 to 13-speed chains - Includes two spare driving pins (part #2987)

For easy and safe servicing of your RockShox rear shock, look no further than the RockShox Rear Shock Clamp Tool. Use with model-specific clamp tips for servicing the damper of your rear shock. - For rear shock damper servicing - Ratcheting pistol grip action for easy operation - Use with shock-specific clamp tips

8-Bit System is a multi-fonction tools that regroup all potential needs in the field -01 and -02 : 8-Bit Multi-tool plier offer 17 functions: - Master link plier - Valve core wrench; Torx T10 and T25; flat head #3.5; Phillips #2; and hex 2, 2.5, 3, 4, 5,6 and 8mm bits - Includes a tool for clearing tubeless valve stems and a spoke wrench - Storage for one set of quick links -03 : 8-Bit Chainbreaker + Utility Knife Multi-Tool add-on - Chain breaker - L key has a 3mm hex forked tire plug insert - Utility knife - Attach to 8-bit plier with magnets and short pins - Items for internal storage are sold separately -04 : 8-Bit Tire Lever + Rim Dent Remover add-on - Tire lever - Aluminum rim dent remover is designed for use with alloy rims - Attach to 8-bit plier with magnets and short pins -05 : Complete Kit Including Plier and both add-on

- The 8-Bit Chainbreaker + Utility Knife multi-tool has four functions and can be nested with 8-Bit Pack Pliers - Features a chain tool on one end and a mini utility blade on the other. The chain tool is operated by a 3mm hex L key that doubles as a tire plug insert - The handles of this multi-tool slide open to provide storage for tire plug inserts, valve cores, and a spare mini utility blade - Strong, lightweight, and designed to fit in a tool wrap, jersey pocket, or frame bag - Chain tool is compatible with all chains - L key has a 3mm hex on the short end and a forked tire plug insert on the long end - Utility knife blade is retractable - Items for internal storage are sold separately - Multi-tools in the 8-Bit System attach to each other with magnets and short pins - Tool Kit 2 includes 8-Bit Tool, knife/chainbreaker, and disc brake tool

Bushings and spacer designed for use with Pedro's Headset and Bearing Press. - Includes ten precision-machined bushings in 6 sizes covering installation of all road, mountain, and BMX press-fit bottom brackets cups and bearings, plus a BB Bushing Spacer for enhanced flexibility, speed, and alignment - Bushings and spacer designed for use with Pedro's Headset & Bearing Press ensuring precise and accurate installation. Inner diameter of 18.4mm (14mm for 19-37 and 19-41) - EVA foam packaging insert keeps the bushings protected, organized, and ready for use