R8100 Ultegra Crankset
R8100 Ultegra Crankset
R8100 Ultegra Crankset

R8100 Ultegra Crankset

IFCR8100DX04

Sale price$314.99
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Size 1
Size 2

California Region

  • San Rafael 2-4 days 10-14 days
  • Sausalito 2-4 days 10-14 days
  • Berkeley 2-4 days 10-14 days
  • Palo Alto 2-4 days 10-14 days
  • San Francisco 2-4 days 10-14 days
  • Sacramento 2-4 days 10-14 days
  • Los Gatos 2-4 days 10-14 days
  • Petaluma 2-4 days 10-14 days
  • Walnut Creek 2-4 days 10-14 days
  • San Jose 2-4 days 10-14 days
  • Pleasanton 2-4 days 10-14 days
  • Folsom 2-4 days 10-14 days
  • Roseville 2-4 days 10-14 days
  • Stanford Research Park Available
  • Distribution Center 2-4 days 10-14 days
  • Distribution Center 2-4 days 10-14 days

Colorado Region

  • Denver East Available
  • Denver Downtown Available
  • Highlands Ranch Available
  • Parker 2-4 days 10-14 days
  • Distribution Center 2-4 days 10-14 days

California Region

  • San Rafael 2-4 days 10-14 days
  • Sausalito 2-4 days 10-14 days
  • Berkeley 2-4 days 10-14 days
  • Palo Alto 2-4 days 10-14 days
  • San Francisco Available
  • Sacramento 2-4 days 10-14 days
  • Los Gatos Available
  • Petaluma 2-4 days 10-14 days
  • Walnut Creek 2-4 days 10-14 days
  • San Jose 2-4 days 10-14 days
  • Pleasanton 2-4 days 10-14 days
  • Folsom Available
  • Roseville Available
  • Stanford Research Park 2-4 days 10-14 days
  • Distribution Center Available
  • Distribution Center 2-4 days 10-14 days

Colorado Region

  • Denver East 2-4 days 10-14 days
  • Denver Downtown 2-4 days 10-14 days
  • Highlands Ranch Available
  • Parker 2-4 days 10-14 days
  • Distribution Center 2-4 days 10-14 days

California Region

  • San Rafael Available
  • Sausalito Available
  • Berkeley 2-4 days 10-14 days
  • Palo Alto Available
  • San Francisco Available
  • Sacramento 2-4 days 10-14 days
  • Los Gatos Available
  • Petaluma 2-4 days 10-14 days
  • Walnut Creek Available
  • San Jose Available
  • Pleasanton Available
  • Folsom 2-4 days 10-14 days
  • Roseville 2-4 days 10-14 days
  • Stanford Research Park 2-4 days 10-14 days
  • Distribution Center 2-4 days 10-14 days
  • Distribution Center 2-4 days 10-14 days

Colorado Region

  • Denver East 2-4 days 10-14 days
  • Denver Downtown 2-4 days 10-14 days
  • Highlands Ranch 2-4 days 10-14 days
  • Parker 2-4 days 10-14 days
  • Distribution Center 2-4 days 10-14 days

Free shipping on all orders over $49. $9 shipping for orders under $49.

Cannondale, Santa Cruz, Cervelo, Gazelle, BMC, and *other bikes ship for FREE, but Gold Label Assembly will be added at checkout for only $79 (reg. $100) to cover the professional bike build and re-packaging by our certified technicians. It’s bike shop quality, direct to your door!

Some bikes not eligible for shipping due to manufacturer restrictions.

Shop with confidence! It's important to us that you are happy with your Mike’s Bikes purchase so we offer offer a 30-day return/exchange window for your unused gear and 14 days on all bikes. Our exchange and return process is fast and easy. If you choose to exchange for a different size or color, we will ship your product for free.

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An integral part of the Shimano Ultegra 12-speed road lineup, the FC-R8100 crankset builds upon Shimano's legendary front shifting and transmission efficiency. With new refinements for seamless 12-speed shifting, the Ultegra crank is now offered in a wide variety of lengths, bringing performance and improved fit for smaller riders, triathletes, and riders with specific biomechanic requirements.

FEATURES:

  • 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
  • 148mm Q-factor
  • 44.5mm chainline

SPECS:

  • Number of Chainrings: Double
  • Pedal Spindle: 9/16"
  • Crank Intended Use: Road
  • Chainline/Hub Compatibility: 130 Hubs
  • Spindle Interface Type: Shimano Hollowtech II
  • Drivetrain Speeds: 12
  • Chainring BCD: 110 Shimano Asymmetric