The Shimano SM-BB71 Road Bottom Bracket is a complete Ultegra level press-fit bottom bracket assembly for Shimano HollowTech II Road Cranks.
- Cups are made from fibre reinforced polymer material which reduces the risk of frame noise and damage
- Set includes left and right hand cups, inner cover, and inner O-rings
- Sealed cups keep out dirt and water
- Maintenance free
- Compatible with 86.5 mm shells
- 41 mm cup diameter
- Easy press-fit installation
- Next & Named Day Delivery: Free on orders over £100, otherwise £5.95. Order before 7 pm Monday - Saturday, 12 pm Sunday.
- Standard Delivery: Free on orders over £50, otherwise £4.95. Please take note of the delivery dates above for an estimated delivery timescale.
- Click & Collect: Free Click & Collect to any of our stores. Use the store finder above to locate your closest pickup point.
We want you to be happy with your purchase. If you wish to return your goods, then you can do so by visiting one of our stores, sending the product to our refunds department, or by taking it to a Collect+ store within 100 days of receipt if you are an Explore More member. Our standard return policy is 30 days of receipt. Sign Up To Explore More >
Unwanted items should be in new condition, with the original packaging, labelling and with a Cycle Surgery receipt. A refund request will usually be actioned within 7 working days from receipt. Please note, for unwanted items, you are responsible for paying all return postage charges.