Rotor Rex 2.1 BCD 76 MTB Crankset

What are the delivery costs?

We offer Free UK Mainland Delivery on all orders over £20. Products shipped to outlying UK regions are excluded from free shipping.

Standard delivery is normally 2 - 5 working days.

Please view our delivery page for full information on UK and international delivery costs.

Borrowing its desing from REX1, the forced and CNC´d REX 2 cranks are enhanced by proprietary TDS triple drilling technology to yield the perfect weight-to-stiffness ratio. The REX 2 used ROTOR´s UBB 30 technology, offering a performance upgrade opportunity for almost all mountain bikes on the market - whether they were designed for 30mm cranks or not.

Characteristics:
  • Chainrings: 1
  • Spindle: 30mm aluminum alloy  
  • Q-Factor: 163 mm
  • Chainline: REX 2.1 50.6mm
  • Material: aluminum alloy 7055 100% CNC-machined
  • Compatibility: Bottom Bracket BSA , BB89 , BB92 , PF30 , BBRight , Cannondale F-Si Ai (spider sold separately) , Oval and round chainrings , 9 , 10 and 11 Speed  

Weight: 
  • 172.5mm 514 g


Occasionally, without notice, manufacturers change product design and/or specifications.