Durable, hard-wearing sealed cartridge bottom bracket with JIS (Shimano) square tapered spindle fitting for single ring cranksets.

Use double steel bearing, press inserted into axels. Super-accurate sealed bearings ensure smooth operation and improved durability. Maintenance-free sealed cartridge bearing assembly keeps out dirt, mud, and water for long bearing life.


Can fit multiple crankset, strongly recommend to the beginner.



Spec: JIS / BC1.37x24T

Axle Width: 68mm

Axle Length: 107mm

Type: 4-taper

Weight: 310g




Made In Japan. 

Tange LN-3912 Bottom Bracket

SKU: TAN-A0801

Axle: Forged Steel Solid

Cups and body: Steel Black EDP