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Shimano BB-UN300 68x123mm Bottom Bracket
Shimano BB-UN300 68x123mm Bottom Bracket

The all-new S-Works Tarmac SL9

Shimano BB-UN300 68x123mm Bottom Bracket

by Shimano
SKU: EBBUN300B23X
$35.99
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Shimano replacement BB for mountain bike.. BB-UN300 Bottom Bracket
. Replacement BB for mountain bike
. Shell width: 68mm
. Axle length: 123mm

The all-new S-Works Tarmac SL9