Shimano BB-UN300 English Square-JIS 68 x 127.5mm Bottom Bracket recumbant the Mag-Tank is just a

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

Installed Dia

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

Oversize Bar End Keeps Hands Secured

Shimano BB-UN300 English Square-JIS 68 x 127.5mm Bottom Bracket recumbant the Mag-Tank is just aSHIMANO 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