Baby: caliber 28.6mm 31.8mm 34.9mm seat clamp quick release

Color: black， silver， red， blue， gold

Specifications: diameter 31.8mm， suitable for diameter 27.2mm - 28.6mm sitting tube

Select the seat clamp according to your seat size:

28.6mm seat clip - for 25.4mm seat tube， mostly for road vehicles or dead fly.

31.8mm seat clamp - for 27.2mm - 28.6mm seat tube.

34.9mm seat clamp - for 30.4mm - 31.8mm seat tube.

38.5mm seat clamp - for 33.9mm seat tube， mainly folding car.