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FC-R8100-P Ultegra 12-speed double Power Meter chainset, 50 / 34T 170 mm
FC-R8100-P Ultegra 12-speed double Power Meter chainset, 50 / 34T 170 mm
Shimano Ultegra

FC-R8100-P Ultegra Power Meter 170mm

£999.99
Size Guide
Pre-Order

With Pre-Order, you can purchase the latest items added to our store in advance of them arriving with us.

Your Pre-Order is prioritised (at no additional charge); meaning that as soon as the product arrives with us, we can wrap it straight back up; ready for collection via Click & Collect or despatch to you — it often never even hits the stock room shelves!

Pre-Launch

With Pre-Launch, the date when we expect to receive the product ourselves is still a little too hazy to be confident in accepting Pre-Orders.

So, instead, you can submit your email address against the item you are interested in and we will email you as soon as stock arrives on the system.

Estimated Delivery & Collection Dates

Estimated Delivery & Collection Dates are given on Pre-Order and Pre-Launch products. They are for indication purposes only and can change at any time without notice.

The dates we provide are based on indications given by our suppliers. Whenever we get updated information from our suppliers we will endeavour to update the Estimated Delivery & Collection Dates provided on product pages.

We estimate this will be ready for despatch to you or collection via Click & Collect on Undetermined

If you are not completely satisfied with your purchase, or simply no longer want the item, you can return it for a full refund or exchange. Items (excluding food, underwear, and e-gift vouchers) may be returned for any reason within 30 days, as long as they are unused, in their original packaging, and accompanied by a valid proof of purchase.

Accessories Returns

Online or in-store purchases can be returned to any of our stores free of charge or can be returned by post or courier at your cost after completing the online returns form below. If your item is incorrect or damaged please contact us instead.

Complete Form

Bike / Bulky Returns

If you wish to return a bike or bulky item to us, please keep the box it arrived in and let us know by contacting our support team via our online webchat, email or by phone (01206 699311) and we will help arrange a collection. Bought or collected in store? Simply contact the store to get started.
FAQs
What happens if my item is faulty?
In the unlikely case that your item has developed a fault please contact us at [email protected] or call 01206 699311.
Can I cancel my order?
Yes, if we haven't shipped the order yet just contact us and we should be able to cancel the order for you. If it has already been shipped please refuse delivery, this will allow them to come back to us.
Can I return a bike?
We know that sometimes a short ride is what it takes to know if a bike is suitable. However, to be eligible for a full refund, the bicycle and its accessories must be clean and not display any damage or signs of wear, exceeding that which could be expected to establish that the bike is not suitable for the intended purpose.
I am returning a bike, can it be collected from home?
Yes, our courier collection fee is £30. However, you must use the original delivery packaging - if you do not have the original box, a new one will be sent at an additional cost of £60.
How do I return a product under warranty?
If you have a warranty issue, please contact us and we’ll guide you on the next steps. Please include your proof of purchase, as this is required for all warranty claims. Please Note: Not all faults are covered by warranty.

FC-R8100-P Ultegra Power Meter 170mm

Season:N/A

Brand:Shimano Ultegra

Code:FCR8100PC

  • The hollowtech ii 12-speed Ultegra chainset with integrated power meter offers an ideal balance of light weight and stiffness, making it the perfect choice for both enthusiast and competitive riders
  • accurately calibrated strain gauges are integrated inside the crank arm, this provides a stable measurement system through rotation from both sides for extremely precise data
  • +/-2% accuracy of strain gauge measured power
  • bluetooth and Ant+ with wireless firmware update and data acquisition system
  • easily rechargeable integrated battery with fully waterproof reliable electric system
  • hollowglide hollow outer chainring gives vast improvements in rigidity by virtually removing outer chainring flex and hugely improves shift performance, even under high load
  • the chainring teeth have been developed to work in conjunction with 12-speed hg chains for increased contact to provide greater efficiency and improved power transfer
  • industry leading hollowtech ii cold forged 4 arm hollow cranks have been evolved for maximum rigidity while reducing weight
  • wide gear pitch spacing increases clearance between chain and leading teeth to provide compatibility to frames with o.L.D. 135 / 142 mm
  • a wide range of chainring options and crank arm lengths are available to meet the needs of all riders and racing disciplines
  • hollowtech ii integrated bottom bracket uses a wider bearing placement and larger axle diameter for increased stiffness and efficiency
  • hollowtech ii integrated bottom bracket seal design has minimal bearing interface ensuring smooth rolling and increased durability(sold separately)
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