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This MTB crankset features a tough forged alloy crank arm construction, which allows it to handle all the abuse that's associated with all-day epics in the mountains. Shimano has also kitted it out with a HollowTech II integrated bottom bracket for increased stiffness, efficiency and added durability.
Item Top Features Continued:
Design: 2-piece
Dyna-Sys Compatible: Yes
Compatibility: 10 speed Dyna-Sys MTB HG-X transmissions
Is BB Included: HollowTech II integrated bottom bracket
Part Numbers: 170mm: FCM4100C66; 175mm: FCM4100E66
Technologies:
HollowTech II: HollowTech II integrated bottom bracket design uses a wide bearing placement with a large axle diameter for increased stiffness, efficiency and added durability.
SG-X Chainring: SG-X chainring with patented spike pins give smooth and fast gear shifts under load.
We will happily refund any item purchased on Wiggle if returned to us within 365 days; excluding Wiggle gift vouchers, nutrition and customised products, except when faulty.
Please note: Bikes and other bulky items cannot be returned using our local returns service (where applicable). Please contact us and we can arrange to collect these from you using our discounted courier rates. There is a fee for all collections, except for faulty products.
Please also note, if you have ordered a Shimano, Garmin, Suunto, Mizuno or Salomon product this may have been sent from our Australian warehouse. For products sent from our Australian warehouse, to arrange a return please contact customer services directly via our Contact Us Form or follow the return slip instructions received in your order.
Returned goods must be unused and supplied with their original packaging, unless the goods are faulty. Wiggle will pay the return postage costs for any faulty items.
