ROTOR

REX 1 MTB Crankset

  • Sale
  • MSRP $350.00


The REX 1 is a work of engineering founded upon the principles of lightweight and rigid. We wanted to craft a mountain bike crank that could respond to whatever demands you throw at it. Crank arms CNC-machined in Spain from aeronautic-grade 7055 aluminum are combined with proprietary technologies to yield cranks with an exceptional stiffness-to-weight ratio that can handle the dizzying wattage that you'll stomp out on the REX 1.

Weight:
172.5mm length 494g

Sizes: 
170/172.5/175mm 

Characteristics:

  • Spider: 76BCD (1X) | 110/60BCD (2X) 
  • Spindle: 30mm aluminum alloy
  • Q-Factor: 163 mm 
  • Chainline: 53mm Boost; 51.5mm Standard
  • Material: 100% CNC-machined, 7055 aluminum alloy 
  • Compatibility: Bottom Bracket BSA, BB89, BB92, BB30, PF30, BBRight, Cannondale F-Si Ai (spider sold separately), Oval and round chainrings, 110/60BCD, 9,10 and 11 speed

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