New Spider Rotor for REX 1.1 BCD76 designed to adapt the Rotor QX1 and noQX1 plates to the Rotor BOOST cranks. Therefore, do not worry if you have a Cannondale F-Si Ai or use Specialized cranks, SRAM GXP or BB30, Rotor has spiders compatible with these cranks.
Characteristics:
– Weight: 35 g, version BB30
– BCD: 76 mm
– Compatible with Rotor QX1 and noQX1 plates




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