A good quality bottom bracket for traditional chainsets. Narrow body allows clearance for cable routing under the bottom bracket.
Shimano UN55 Square Taper Bottom Bracket 68mm x 115mm
SHIMANO UN300 SQUARE TAPER BOTTOM BRACKET 68 X 110 / 113 / 115 / 118 / 122.5mm
Shimano M371 Square Taper 48/36/26T 175mm 8 Speed Bike Triple Chainset
Shimano M311 Square Taper 48/38/28T 170mm 9 Speed Bike Triple Chainset
Shimano Altus Shimano FC-M311 Altus Square Taper Chainset 42/32/22T With Chaingu
Shimano UN300 Bottom Bracket Bike Cycle Bicycle BB Square Taper Sealed Cartridge
