Product Details
This Shimano Dura-Ace R9100 Bottom Bracket, utilising Hollowtech II technology, has smaller lightweight bearings and an advanced seal construction for smoother rotation and increased durability. Outside positioned bearings are for better weight distribution and more stability.. Series: DURA-ACE
. BB Shell Width: 68mm
. Bottom bracket with small ball bearings for light weight
. Advanced seal construction for smoother rotation
. Cups Material: aluminium with anodized finish
. Shell Material: CFRP
. Hollowtech II - Threaded BB type
What Sets Alchemy Apart
The best pre-owned bikes
When you buy a pre-owned bike from Alchemy Cycle Trader, you’re getting more than just a great deal. Every bike is roadworthy certified, comes with a 3-month warranty, and includes your first service free - so you can ride away with complete confidence.
Buy with confidence
In-house Active Thermography Carbon Fibre Testing for extra peace of mind on pre-owned bikes.
Learn more about our carbon testing.
Expert Servicing & Ongoing Support
Our professional workshop team is here to keep your bike running at its best long after you’ve taken it home. From routine servicing to performance tuning, our qualified mechanics ensure your ride stays smooth, safe, and ready for every adventure. Whether it’s your first free service or future maintenance, you can count on Alchemy Cycle Trader for trusted support and expert care. Learn more about our workshop services.