Shimano BB-UN300 BSA E-Type Bottom Bracket Black/Silver

Shimano Bottom Bracket BB-UN300-E Square Type 122.5 (LL123) MM 68 (BSA) MM

The Shimano Bottom Bracket BB-UN300-E is a cartridge bearing bottom bracket that offers exceptional performance and quality. Designed to improve chainline stability thanks to its stabilizer, this model is available in three different structures, including standard, E-type, and chain case options. Made with aluminum adapters, it guarantees durability and reliability with every pedal stroke.

Features:

• Model: Shimano BSA 122.5/68mm BB-UN300 E-Type Bottom Bracket
• Type: Square Taper Bottom Bracket with Cartridge Bearings
• Adapter Material: Aluminum
• Available Structures: 3
• Options: Standard, E-type, Chainstay

Brand: Shimano