Ninja BB86/BB89.5/BB92 Bottom Bracket for Shimano 24mm TPU Tubes an advanced plastic material characterized

an advanced plastic material characterized by elasticity and mechanical strength

and an aluminum stay for rock-solid attachment to the bars

it is a combination of plastic and fibre that cover an alloy bottom bracket shell

Made with IPX5 waterproof rated sailcloth and featuring a rolltop design

The Spear achieves an incredible weight with only 685 grams for the raw size M

Ninja BB86/BB89.5/BB92 Bottom Bracket for Shimano 24mm TPU Tubes an advanced plastic material characterizedA premium bottom bracket for the frame types mentioned below. Type: Thread Together Frame Type: BB86 BB89. 5 BB92(dia. 41x86. 5 89. 5 92) Crank Type: SHIMANO(dia. 24) Bearing Type: Premium