Feature(may vary by option.)

●Contents: the bottom bracket is from the Shimano brand and the model is BB-UN300 square in different housing widths and axle lengths.
●Choice of casing: 68 mm and 73 mm, axle lengths: 107/110/113/115/118/122/122.5, 127 mm. Available in 3 versions: standard, E-type or for chain box.
●Details: brand: Shimano, model: BB-UN300, group member: ALIVIO, installation type: BSA, mounting type: screwed, material: steel (axle) and aluminium, crank mount: square, JIS standard, bearing type: cartridge bearing.
●Quality: the high-quality and performance-oriented Shimano bottom bracket has a higher chain line stability with chain cable stabiliser. With sealed compact bearing unit for square bottom bracket.
●Compatible – The BB-UN300 square bottom bracket was launched by Shimano as a successor to the models BB-UN26 and BB-UN55. It covers a wide range of applications, from trekking and city bikes to older road and mountain bikes.

[68.0 Millimeter 122mm]




[68.0 Millimeter 127mm]




[68.0 Millimeter 113mm]




[68.0 Millimeter 110mm]




[68.0 Millimeter 122 | 5mm (für E-Typ)]




[68.0 Millimeter 107mm]




[68.0 Millimeter 117mm (für Kettenkasten)]




[68.0 Millimeter 118mm]




[73.0 Millimeter 113mm]





Description

Are you looking for a high-quality, reliable component for your bike that wont let you down? Then the Shimano BB-UN300 BSA bicycle bottom bracket is just the thing for you. The Shimano brand is known for its reliable and long-lasting performance, so you can be sure that this bottom bracket will withstand the rigors of cycling. The square crank mount provides extra stability and the steel material is strong enough to handle any ride safely. Get superior performance and an unbeatable ride with the Shimano BB-UN300 Bicycle Bottom Bracket!