Shimano BB-UN300 Square Taper Bottom Bracket 68/122.5mm brand_wolf tooth and a more stable pedal

and a more stable pedal stroke

3-Piece pole is shock-corded and features Steel Band Clamp #85462 to secure the flag to the pole

Mushroom riveted pins for the highest pin power and allows shifting under heavy loads

For those who prefer the Over/Under Idler concept

Dimensions:  12

Shimano BB-UN300 Square Taper Bottom Bracket 68/122.5mm brand_wolf tooth and a more stable pedalSHIMANO Square Type Bottom Bracket MTB Standard Structure Features: 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