Shimano SM-BB52 Deore 2-Piece Bottom Bracket Electronic Front Guard prevents front wheel

Front Guard prevents front wheel falling off and keep riding even if you lose balance

no need to set up the tool between various torque

For assembling parts made of carbon fiber and aluminum alloy

Quick and easy assembly

Shimano SM-BB52 Deore 2-Piece Bottom Bracket Electronic Front Guard prevents front wheelThe Shimano Deore Alivio bottom bracket SM BB52 can be found again and again The SM BB52 is a popular Shimano bottom bracket, which is used in countless cranks such as Alivio, Deore and ZEE. Its 24 mm Hollowtech II standard bearings deliver an optimal stiffness to weight ratio and rotational efficiency. The SM BB52 BSA bottom bracket is available in a version for 68 and 73 mm shell width and in a version for 83 mm shell width. Specifications: