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Item specifics
Product Description
Name: Bicycle Bottom Bracket Adapted crankset: square hole High carbon steel axis [Features]: 1. Integrated built-in industrial bearing is stable, durable and low resistance. installation steps ① Distinguish the center axis left (L) and right (R) first ② Place the left side (L) and turn it according to the position ③ After tightening, fit bottom bracket with BB remover ,and reinforce it with a Wrench. The left side is installed. ④ Screw the right (R) screw cap, fit it with the bottom bracket, and use a spanner to strengthen the bottom bracket. The installation is complete |