Neco BSA Bottom Bracket 123mm Square Axle - Black

Upgrade to smooth, low-maintenance pedaling on city and trekking bikes. This Neco BSA bottom bracket features a JIS square taper spindle and a reliable BSA (English) threaded interface for easy installation and long service life. A solid steel axle delivers dependable stiffness, while the steel drive-side cup and nylon non-drive cup balance durability with low weight. Ideal for city bikes, trekking rigs, and commuter MTBs that need a straightforward, budget-friendly refresh.

- This bottom bracket fits BSA/English threaded shells and pairs with JIS square-taper cranksets for hassle-free compatibility.
- The 123 mm spindle length helps achieve a proper chainline on many triple and trekking crank setups.
- A solid steel axle and steel right cup provide long-term strength under daily riding loads.
- The nylon left cup eases installation and helps resist corrosion in wet conditions.
- The threaded design makes servicing simple and keeps noises at bay compared to worn press-fit units.
- It’s a cost-effective upgrade to restore smooth pedaling on city, trekking, and commuter bikes.

Specifications
Brand: Neco
Model: BSA
Type: Bottom bracket
Mount: Square
Length: 123 mm
Bottom Bracket Type: Threaded
Color: Black