This square taper bottom bracket is ideal for mountain bikes with wide, rugged tires such as those used on gravel or cross-country rides.
Shimano BB-UN300 Square Taper Bottom Bracket 113mm Sealed Bearings 68mm Shell
Shimano BB-UN300 Square Taper Bottom Bracket - 107 to 127mm - 68/73mm
Shimano BB-UN300 Square Taper Bottom Bracket 68 / 73mm x 107 - 127.5mm
SHIMANO FC TY501 Square 6/7/8 Speed Chainset, Unisex, FC-TY501 Vierkant 6/7/8-fach, Silver, 175 mm
SHIMANO Fc-ty501 Square 6/7/8-Speed Crankset, unisex_adult, Crankset, E-FCTY501E244CLB, Black, 175 mm
Shimano Bottom Bracket Square Taper BB UN300 68 x 127.5mm
