Shimano Ultegra R8100 12 speed Chainset
Shimano Ultegra R8100 12 speed Chainset

Shimano Ultegra R8100 12 speed Chainset

Regular price RRP: £299.99 Sale price£268.00 Save 11%

Crank Arm
No of Teeth
🚚 FREE Standard UK Shipping on all orders over £20

Shimano Ultegra R8100 12sp Chainsets

Optimal balance of stiffness, strength, weight and rotational performance

HOLLOWGLIDE structure cuts weight yet maintains strength for better power transfer and quicker, more precise front shifting

52-36 and 50-34 chainring options.

165, 170, 172.5, and 175 mm crank arm lengths.

Weight: 700g

We ship fast! Our stock levels are updated live and most orders placed before 14:00hrs are shipped same-day (Monday to Friday).

Each product page will show estimated dispatch times.


  • Standard UK shipping is FREE on all orders over £20.
  • Express shipping options are available on checkout.
  • We also offer Click & Collect from our Warehouse Mon to Fri 9:00 to 5:00 - kindly wait until we confirm your order is ready before visiting.


  • Europe standard shipping is £3.99 with an Express option available.
  • We have had to disable shipping to the EU. We hope to be able to resume shipping to more EU destinations shortly.


  • We have had to suspend shipping outside of the UK. We hope to be able to resume shipping worldwide shortly.

We offer a no-quibble 30-days refund policy*. There's no need to contact us before returning your item(s). Simply send it back to the following address:

Sprocket and Gear (Returns), Kingfisher Works, Tag Lane, Hare Hatch, RG10 9SH, United Kingdom

Be sure to include your order number and reason for return. Sorry, but we can't cover, or contribute to, the cost of the return.

* To read our full returns/refund policy please click here.


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