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Shimano BB-UN300 Bottom Bracket - English, Square Taper JISShimano BB-UN300 Bottom Bracket - English, Square Taper JIS
Shimano BB-UN300 Bottom Bracket - English, Square Taper JIS
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Shimano BB-UN300 Bottom Bracket - English, Square Taper JIS

Shimano
$17.99

Shimano BB-UN300 Square Spindle Bottom Brackets

  • Fits JIS square-taper cranksets
  • Crankarm fixing bolts sold separately
  • Hollow spindle
About the Store

2026 © The Sportsman.

The Sportsman has been providing the Cache Valley area with an extensive variety of all-season sporting goods since 1947. Originally established by Lucile and Jack Croft, the store aimed to attract a diverse crowd with a combination of hard goods such as skiing equipment, biking gear, and camping supplies, alongside soft goods like technical clothing and a distinctive selection of casual and formal wear.

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