Shimano BB-UN300 English Square-JIS 68 x 127.5mm Bottom Bracket recumbant At the opposite end is

At the opposite end is a precision closed 15mm axle nut tool that’s angled to provide ample clearance away from wheels

M6 stainless steel bolt with integrated washer

Compatible with recessed cleat SPD shoes for walking ease

the Mag-Tank is just a hair smaller to prevent leg movement from hitting the edge of the flap opening

New shift ramp designs provide the fastest

Shimano BB-UN300 English Square-JIS 68 x 127.5mm Bottom Bracket recumbant At the opposite end isSHIMANO Square Type Bottom Bracket MTB Standard Structure SHIMANO quality performance cartridge bearing square bottom bracket Better chainline stability with chain line stabilizer 3 structures available Standard, E type, chain case options Adapter material: Aluminum