Vision 386 EVO Track crankset
The Vision Track crank is a revolution in track crank design with an ultra-stiff 30mm spindle, oversized solid forged aero arms optimized for rigidity, an aerodynamic solid dish spider and a deep-tooth 49T chainring.
Aka "The Chicago Rotor".
No, you can't use a Sram GXP bottom bracket with these, or Phil Wood OBB, or Chris King Threadfit 24. You must use the FSA MegaEVO linked to in the specs.
• 144mm bcd
• forged 6061 AL arms w/ 49t 7075-T6 AL chainring (1/8")
• length: 165 or 170mm
• Q-factor: 137mm
• required bottom bracket: FSA MegaEVO (sold separately)
• BB installs using Park Tool BBT-29
• color: black
• weight: 785g (165mm)