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HG technology has chamfered inner plates to optimise shifting performance on HG sprockets
the Expert Shallow delivers a strong and affordable bar with no compromise
90-120ml of sealant recommended for MTB (per tyre)
Overmolded bezel for excellent side visibility
the bike after that
Shimano UN300 Square Taper Bottom Bracket BB Width:73x113mm HG technology has chamfered innerThe BB UN300 square taper bottom bracket was launched by Shimano as successor of the models BB UN26 and BB UN55. It covers a wide range of applications, from Touring and City bikes to older Road and Mountain bikes. BB UN300 is available with BSA thread and in different axle lengths. In this type, the bottom bracket axle and crank are connected by a square taper. Does not include crank bolts. About Shimano Established in Japan in 1921, Shimano is the
US$ 12.49
US$ 102.00
US$ 121.00