Bicycle Accessories in China

Bicycles Accessories

• MOQ : 400 Set(s)
• Friction-cofficent: : HH GRAND
• COLOR: : GOLD, RED , BLACK ,YELLOW
• We are offering bicycles accessories. Main features: ? materials: sintered copper, organic , ceramic ? friction coefficient reach to 0.55 , high stopping power. ? noise under 75 db ? long lifespan 12000kms ? formula are made of green organic mineral...