• Optimized lightweight crank arm design produces excellent power transfer efficiency
• Minimized weight without sacrificing stiffness
• Rider tuned gear performance through various gear combinations
• Possible to choose the best choice for ride
• Redesigned FC for greater frame compatibility
• Wider gear pitch increases clearance between chain and leading teeth to provide compatibility with frames with O.L.D. 135mm and 410mm chain stay length
• Bolt Circle Diameter: 110mm
• Chain Line: 43.5mm
• New 4-arm design for a stiff, lightweight performance
• Hollowtech II construction
• Hollowglide chainrings
• 11-Speed Compatible
• Same bolt circle diameter for compact and traditional double chainsets means that one crankarm fits all chainring sizes
• Weight: 674g (50-34T)
• Please note: Bearing cups and mounting tools are not included

Returns:
Items can be returned up to 90 days from the date of purchase. The returned merchandise must be in new condition and include all the original packaging.
See also "Returns & Warranty"

Delivery Service:
Some items on our website automatically qualify for free shipping irrespective of the order value. You can identify those items by the 'FREE SHIPPING'(SPECIAL ITEM) deal tag on that item's product page. We have an agreement with the supplier of these items so that they are shipped directly from that supplier's warehouse and we cover the costs of shipping for you. Other items in your basket that aren't marked with this tag will be shipped from our own warehouses.
For more information please see our shipping information page.
If you have any questions about shipping, please email us at sales@cyclingexpress.com and we will be happy answer your questions.

Service:
When you receive the goods, please check them as soon as possible. If you discover a manufacturing defect, please contact us for a replacement.
See "Returns & Warranty."
If you have questions regarding ordering, methods of payment, merchandise returns and shipping methods, please refer to the "Customer Support Center."