Topeak Ratchet 1/2 inch Drive Extendable Variant:Topeak Workshop Tool Ratchet 1/2 inch Drive Extendable ROTOR T4730 bottom bracket is

ROTOR T4730 bottom bracket is the "yes" component to "Is this compatible with my T47 threaded BB shell for a 30 mm axle

Combine with the Kitchen Sink Handlebar and Cruise Control Grips to take things to the next level

SCREW DRIVER

A saddle for endurance cycling

5-layer construction

Topeak Ratchet 1/2 inch Drive Extendable Variant:Topeak Workshop Tool Ratchet 1/2 inch Drive Extendable ROTOR T4730 bottom bracket is1 2 drive, 72 tooth reversible ratchet for smooth operation. Extendable from 12 1 2 (32 cm) to 18 (46 cm) long with 6 locking positions for heavy torque operation. Heavy Duty Chrome Vanadium Steel construction for better wear resistance and tensile strength. TPR handle for comfort and better grip. Reversing ratchet with thumb wheel action Push down the knuckle to unlock and extend the ratchet tool TOOL MATERIAL Chrome vanadium steel HANDLE Engineering