说明

• Aluminum alloy bicycle seat put up clamp, weight: 23g (34 clamp) Black, blue, gold, crimson and silver are anodized, the outside doesn't fade, and the corrosion resistance is great The color is gorgeous and sticks out Easy to install: Just use a 4mm Allen wrench to fix the 28 clamp for the body seat tube 27, and the 31 clamp for the body seat tube 30 The 4 clamp matches the frame seat tube 33 Note: Be certain to measure the outer diameter of the actual seat tube Picture body

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