SRAM Road 50 teeth 4 mm chainrings are stamped from 7075-T6 aluminium with black hard anodized finish. PowerGlide ramps/pins for optimized shifting performance. Number of bolts: 5. 110 mm bolt circle diameter. Low weight and excellent strength Made of 7075-T6 aluminium PowerGlide ramps/pins for optimized shifting performance Black hard anodized finish 110 mm bolt circle diameter
SKU:CRS5034B
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