Shimano 105 FC-R7100 12 Speed Crankset Chainring:52/36 secure and light weight with

secure and light weight with a sleek design that compliments any bike

Lightweight V-Guard puncture protection

Continental have different sizes

Measured width

Shimano 105 FC-R7100 12 Speed Crankset Chainring:52/36 secure and light weight withThe Shimano 105 FC R7100 12 Speed Crankset offers an optimized balance between lightweight and efficiency without sacrificing stiffness. The crank is formed with hollow aluminum technology and finished with a durable gloss black anodizing. Resin ribs on the back of the chainrings are 105's unique structural design that achieves both weight reduction and crisp shifting performance. Features Optimal balance of stiffness, strength, weight and rotational