Shimano UN300 Square Taper Bottom Bracket
Shimano UN300 Square Taper Bottom Bracket
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The Shimano UN300 Bottom Bracket is the most popular square taper bottom bracket at Crows by far! Shimano has been producing bottom brackets in this standard for decades and they have proven to be high quality and very long lasting in all iterations. It is not uncommon for us to see one of these ridden hard, year after year, and still running damn smooth! This bottom bracket is a sealed cartridge with non-replaceable bearings. This product includes crank bolts (requires 14mm metric socket/wrench for crank arm installation.)
Available for BSA (1.37 x 24 thread pitch,) threaded bottom bracket shells in 68mm and 73mm.
*Consult your crank manufacturer for spindle length recommendations to get the correct chainline. If there is no manufacturer recommend spindle length unfortunately you are going to have to make your best guess because there is no standardized placement of the chainring on vintage cranks. Best of luck!
**The UN300 replaces the UN26 and the UN55 as the sole square taper bottom bracket option from Shimano.
Shipping
Shipping
Kissing Crows Outpost proudly ships all around the world. We partner with Canada Post for domestic and USA shipments and with FedEx for international fulfillment. Add this item to your cart and head to checkout for live shipping prices.
Returns and Exchanges
Returns and Exchanges
We offer hassle-free returns and exchanges on virtually all products* within 15 days after receiving order. Products must be unused and with their packaging for a refund. Unused products without packaging are eligible for exchange only. Items that have been installed/used/worn are not eligible for returns or exchanges.
*Some restrictions apply. If you would like to review our comprehensive policy please find it here: Returns and Exchanges
Contact Us
Contact Us
Have a question about this item? Reach out to our webstore team here at: outpost@kissingcrowscyclery.com and we'll be happy to help!
