Rotor REX 3.1

782.00 zł

850.00 zł

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Thinking about becoming single? It´s great for weight loss, easier maintenance, and for looking faster. We´ll help you make a clean break with your current cranks by swappng them out for REX 3.1. We wanted to craft a 1x crank for mtb frames with 24mm axles that could be matched with our QX rings (or noQX rings – your choice) for optimum pedaling efficiency with a single chainring setup. Crank arms CNC-machined from 7075 aluminum are combined with proprietary technologies to yield cranks with an exceptional stiffness-to-weight ratio that can handle an off-road thrashing. Together with ROTOR's Universal Bottom Bracket (UBB) system, the REX 3.1 offers a performance upgrade opportunity for all single ring mountain bikes with 24mm frame axles.

Weight: 172.5mm length 532g

Sizes: 170/172.5/175mm


- Spider: 76BCD

- Spindle: 24mm steel

- Q-Factor: 163 mm

- Chainline: 51mm

- Material: 100% CNC-machined, 7075 aluminum alloy

- Compatibility: Bottom bracket BSA, BB89, BB92, BB95, BB30, PF30, BBRight Oval and round chainrings, 76BCD, 9,10 and 11 speed