Shimano BB-UN300 Bottom Bracket - English, 68 x 122.5mm Spindle, Square Taper JIS, 47.5mm Chainline

Article number:	CR3488
Delivery time:	Most items ship within 48 hrs , excluding weekends and holidays.

• Simple and reliable square taper bottom bracket
• Replaces both BB-UN26 and BB-UN55
• Sealed cartridge bearings
• Cr-Mo axle
• For bicycles equipped with a chain case, select BB-UN300-K
• For E-type front derailleur compatibility, choose BB-UN300-E
• Fixing bolts not included; Shimano FC-E6000 bolts suggested