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Buy wisely
Buy wisely

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Shimano BB-UN300 Bottom Bracket (Length: 68 x 107mm)
Shimano BB-UN300 Bottom Bracket (Length: 68 x 107mm)
Shimano BB-UN300 Bottom Bracket (Length: 68 x 107mm)
Shimano BB-UN300 Bottom Bracket (Length: 68 x 107mm)
Shimano BB-UN300 Bottom Bracket (Length: 68 x 107mm)
Shimano BB-UN300 Bottom Bracket (Length: 68 x 107mm)
Shimano BB-UN300 Bottom Bracket (Length: 68 x 107mm)
Shimano BB-UN300 Bottom Bracket (Length: 68 x 107mm)
Shimano BB-UN300 Bottom Bracket (Length: 68 x 107mm)

Shimano BB-UN300 Bottom Bracket (Length: 68 x 107mm)

(1,751 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.

$7.09 - $138.60

in 74 offers

Size:

68 x 110 mm
68 x 113 mm
68 x 115 mm
68 x 118 mm
68 x 122.5 mm
68 x 123 mm
68 x 127.5 mm
73 x 113 mm
73 x 118 mm
73 x 122 mm

Shimano BB-UN300 Bottom Bracket (Length: 68 x 107mm)

$7.09

(1,751 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.