Specifications: Condition:100% Brand New Color: Silver Speed: 7/8/9/10/11 speed Material: Aluminum Alloy + Steel Size: 116.5 x 82mm / 4.59" x 3.23" Clamp Ring Inner Diameter: 31.8mm / 1.25", 34.9mm / 1.37" Application: Road Model 53-39 / 50-34 Chainring Pulling Method: Pull Up / Pull Down Feature: Applicable to 7/8/9/10/11 speed. High strength and durability: Aluminum alloy forged body + high rigidity steel, precise and direct power transmission. Conventional clamp ring: supports 31.8/34.9mm tube diameter, suitable for most bicycles on the market. .
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