ROTOR Aero Mas Spider BCD 110x4 - BlackThe ROTOR Aero Mas Spider BCD 110x4 Black is a cycling component designed for use with compatible cranksets and chainrings. Its primary function is to provide a secure interface between the crank arm and chainring, ensuring efficient power transfer during cycling. This model is suitable for riders seeking a reliable spider for road or time trial bicycles using a 110x4 bolt circle diameter configuration. Brand: ROTOR Model: Aero Mas Spider Bolt Circle

X-LARGE: 5059526370871

Suitable for use under cycling jerseys and outerwear

58: 68281161

it features a lightweight and breathable design to keep you cool and dry on long rides

Model code: SMBH90 SB

Includes reinforced toe and heel areas for durability

MEDIUM: 5714148195980

Constructed from a blend of synthetic fibers for durability and moisture wicking

providing excellent clarity and contrast for optimal vision

Designed to be dissolved in water

Super slim fit for racing and aerodynamics

Black finish for a uniform look