Rotor

<p>Rotor's stiffest and lightest crank for mountain bikes. 7055 aluminum crank arms are drilled lengthwise creating a trellised structure that gives a strength-to-weight ratios better than most high-end carbon cranks. Stiff and rigid design means that each pedal stroke pushes more power and energy into your tires for a more efficient ride. Built with Rotor 30mm UBB axle, these cranks are compatible with almost every bottom bracket on the market.</p><ul><li>Made of CNC machined 7055 aluminum</li><li>Trinity Drilling System creates a trellised design that offers exceptional stiffness-to-weight ratio in the crank arms</li><li>30mm aluminum UBB axle is compatible with almost all bottom brackets on the market, making installation a breeze</li></ul>

Rotor REX 1.1 Crankset X1

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Rotor REX 1.1 Crankset X1

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