Shimano SM-BB52 Deore 2-Piece Bottom Bracket Brake Rotors Left: Inside/Inward

Left: Inside/Inward

16T (Front double)

Declined levels of DHA is been associated with decline in cognitive functioning

2 bands in 1 pair

With R50T2 brake shoes for good braking performance in dry and wet conditions

Shimano SM-BB52 Deore 2-Piece Bottom Bracket Brake Rotors Left: Inside/InwardThe 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: