Price: $9.39
(as of Apr 09, 2025 09:22:44 UTC – Details)

Product Description

Park Tool bicycle tools repair equipment professional high quality

Park Tool BBT-5/FR-11 being used on a Campagnolo cassette lockring

Park Tool BBT-5/FR-11 Bottom Bracket & Cassette Lockring Tool for Campagnolo

When it comes to removing and installing bicycle components, having the right tools is essential. The Park Tool BBT-5/FR-11 is designed to fit the tool fittings found on Campagnolo cassette lockrings, as well as Campagnolo Record, Chorus, Centaur, and Athena bottom brackets. Constructed from heat treated alloy tool steel, the BBT-5/FR-11 features a 1″ tool fitting for use with an adjustable wrench, socket, or bench vise. Manufactured by Park Tool, the most trusted name in bicycle tools and repair equipment for over 50 years.

The BBT-5/FR-11 has 12 splines that are approximately 22.8mm across at the widest point.

BBT-5/FR-11 installed on a Campagnolo threaded bottom bracket cup

Park Tool BBT-5/FR-11

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Customer Reviews

4.8 out of 5 stars 684

4.8 out of 5 stars 1,437

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4.8 out of 5 stars 2,857

Price

$14.95$14.95 $23.95$23.95
— no data $9.95$9.95

Tool Type
Bottom Bracket Tool Bottom Bracket Tool Bottom Bracket/Cassette Lockring Tool Cassette Lockring Tool

Tool Fitting
22 Internal Splines 22 Internal Splines 12 Internal Splines 12 Internal Splines

Tool Fitting Measurement
32mm Inner Diameter 32mm Inner Diameter 22.8mm Inner Diameter 23.4mm Inner Diameter

Typical Brands & Models
Shimano, Truvativ, RaceFace, FSA Shimano, Truvativ, RaceFace, FSA Campagnolo, Chorus, Centaur, & Athena Shimano, SRAM (including 1x), SunRace, SunTour, Chris King, etc. cassette lockrings

TRUSTED SINCE 1963

Since our origins in the back of a bike shop in 1963, it has been Park Tool’s sole mission to design and manufacture high-quality tools that empower mechanics and riders of all skill levels to service their bicycles. Just like our other 500+ tools, our bottom bracket tools are a product of our decades of experience and expertise in the industry, in the shop and on the trail.

Fits all Campagnolo cassette lockrings
Also fits Campagnolo Record, Chorus, Centaur, and Athena bottom brackets
The outside diameter of the BBT-5/FR-11 is 22.8mm and has 12 splines
Heat treated alloy tool steel, one inch base fits wrench or bench vise
Thin wall construction allows use without removal of cones and locknuts
Removes and installs all Campagnolo cassette lockrings (including 11 speed)
Uses a 1″ hex shape, and can be used with the FRW-1

Customers say

Customers find the bottom bracket tool works well, particularly for Campagnolo cassettes, and appreciate its perfect fit and typical Park Tool quality. The tool is easy to use, with one customer noting it’s as simple as wrapping the chain whip tool, and they consider it good value for money.

AI-generated from the text of customer reviews