Shimano BB-UN300 Bottom Bracket (Length: 68 x 107mm)
(1,449 reviews)
Successor to the UN26 and UN55 series, this component covers a wide range of applications from Touring and City bikes to older Road and Mountain bikes. Suitable for traditional square mount chainsets, featuring a 68mm shell with BSA (English) 1.370" x 24tpi thread. Crank bolts are not included.
Successor to the UN26 and UN55 series, this component covers a wide range of applications from Touring and City bikes to older Road and Mountain bikes. Suitable for traditional square mount chainsets, featuring a 68mm shell with BSA (English) 1.370" x 24tpi thread. Crank bolts are not included.
$19.99 - $48.95
in 16 offers
Shimano BB-UN300 Bottom Bracket (Length: 68 x 107mm)
$19.99
Successor to the UN26 and UN55 series, this component covers a wide range of applications from Touring and City bikes to older Road and Mountain bikes. Suitable for traditional square mount chainsets, featuring a 68mm shell with BSA (English) 1.370" x 24tpi thread. Crank bolts are not included.
Successor to the UN26 and UN55 series, this component covers a wide range of applications from Touring and City bikes to older Road and Mountain bikes. Suitable for traditional square mount chainsets, featuring a 68mm shell with BSA (English) 1.370" x 24tpi thread. Crank bolts are not included.
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