The NINJA bottom bracket doesn’t just solve the problem of noisy bottom brackets - it actually improves the life of the bottom bracket and makes your bike stiffer. There aren’t many times a replacement part actually improves your bike but put one on your bike and you’ll wonder why you didn’t install a NINJA sooner. Frame Type BB386/BB392(dia.46x86.5/92) PF30(dia.46x68/73) Crank Type SHIMANO(dia.24) SRAM GXP(dia.24-22) BB386/BB392(dia.30) BB30(dia.30)
