Road threaded BB
Shimano BB-RS501 Threaded Bottom Bracket
A dependable, low-cost threaded Hollowtech II bottom bracket for English or Italian shells, recommended for 105 and GRX 600-level cranks.
24mmAxle size
68-70mmShell widths
2Thread standards
Highlights
Why we rate it
Threaded and quiet
Screw-in cups avoid the creaks that can affect press-fit frames.
Improved seals
A revised seal design helps the bearings last longer in poor weather.
English or Italian
Available for 68mm BSA and 70mm Italian threaded shells.
Fits all Shimano 24mm cranks
Works with 105, Ultegra, Dura-Ace and GRX Hollowtech II cranksets.
Tech specs
Specification
Manufacturer specification. Details may change without notice.
Specification
- Model code
- BB-RS501
- Type
- Threaded, Hollowtech II outboard bearings
- Shell
- 68mm English (BSA) or 70mm Italian
- Axle
- 24mm
- Compatible cranks
- FC-R7100, FC-RX610, FC-RX820, FC-R8100, FC-R9200
- Install tool
- TL-FC24 or TL-FC34 (with TL-FC36 adaptor)
Ordering
Available from The Cycle Collective
Available to order through The Cycle Collective in Dorking. For availability, setup or advice, call 0203 148 6764 or email hello@thecyclecollective.cc.
Product Information
Features
Tech Specs