SIDI SRS Carbon Ground Inserts - Black 45-48 Material-ALuminum 30% thicker than classic cork

30% thicker than classic cork ribbon for better cushioning and shock absorption

Ultra-Torque bearings come pre-installed on Campagnolo cranksets

Hub Spacing 142mm Axle Type 12mm TA Freehub Body Shimano HG 11 Hub Spoke Type J-bend Hub Weight 223g Position Rear Hub Drilling 24H Rotor Mount Center Lock Primary Color Blue

Increased strategical placement of Grip-Pods matched to multi-facet Nano Knobs on shoulder and sides

Primary Color Blue Rotor Mount Center Lock Axle Type 12mm TA Freehub Body SRAM XD-R Hub Spoke Type J-bend Hub Weight 223g Hub Spacing 142mm Hub Drilling 24H Position Rear

SIDI SRS Carbon Ground Inserts - Black 45-48 Material-ALuminum 30% thicker than classic corkThe SIDI SRS Carbon Ground Inserts are premium components designed to optimize performance and durability in SIDI cycling shoes equipped with the SRS (Sole Replacement System). These inserts feature carbon fiber construction offering lightweight strength and stiffness for efficient power transfer. Color Black Size 45 48