Skip to content 
Shimano BB-UN300 Square Taper JIS 68x117.5 Spindle BSA (English) Bottom Bracket
$18.00
Shimano BB-UN300 Square Taper JIS 68x117.5 Spindle BSA (English) Bottom Bracket
Product Details
The workhorse square taper bottom bracket. If your crank is older than your phone, this is very likely the part that gets it spinning quietly again.
Sealed cartridge, no adjustment, no fuss. Threads into a standard 68mm English shell and runs a 117.5mm hollow spindle for JIS square taper cranks.
- Shell: 68mm, English / BSA threaded
- Spindle: 117.5mm, square taper JIS, hollow
- Sealed cartridge bearings, non-serviceable
- Finish: silver
- MPN: EBBUN300B17X
- Crank fixing bolts sold separately
Not sure which spindle length you need? Bring the bike by and we will measure it with you.
Shipping & Returns
DELIVERY
- Dispatch: Within 48 Hours
- Free shipping across all products on a minimum purchase of $100.
- International delivery time - 7-14 business days
- Easy 30 days returns and exchanges
RETURNS
If you wish to return an unused product you can do so within 15 days - no questions asked. This excludes consumables, clearance and sale items. Items must be unused/opened or still have original tags on them.
We have an easy and hassle free return policy. Please look at our Delivery & Returns section for further information.