Rotor Crank Spider Aero MAS Road 110x4 1X/2X Summer hat 1:45-31:00

1:45-31:00

Designed with a 3/8" drive on the back for torque wrench attachment

In 2010 Castelli introduced the Gabba to the pros and changed the way pros race in the rain and cold

we increased the sit bone contact points 5mm to accommodate aåÊrange of pelvic/body positions

Dual-sided silicone gripper elastic at top prevents sliding down

Rotor Crank Spider Aero MAS Road 110x4 1X/2X Summer hat 1:45-31:00The Aero MAS Spider is engineered to provide minimal air resistance, reduce drag and allow you to pedal faster with less effort. It is compatible with road modular cranks ALDHU and VEGAST and power meters 2INpower and INpower. Select the perfect chainring size from our 1x 2x 110x4 Q RINGS or Round range.