Yarn density: 60TPI. Applicable: mountain bike. use Mountain Bikes. Weight: 26 1.95: about 540g/pc, 26 2.1: about 660g/pc. Product specification: 26 1.95 ,26 2.1 ,27.5 1.95 ,27.5 2.1. If these conditions are not agreeable, we kindly request that you refrain from purchasing from us.
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