Tangeseiki LN-3912 Square Tapered Bottom Bracket 68 x 115 mm bicycle frame set New collar design for a

New collar design for a flush fit in the race position

More Power: Thicker 2

Strong steel for repeated workshop use

Universal hydraulic hose kit with pre-installed caliper side couplers

Mounting: Garmin-style quarter-turn / mounts included :contentReference[oaicite:5]{index=5}

Tangeseiki LN-3912 Square Tapered Bottom Bracket 68 x 115 mm bicycle frame set New collar design for aFeatures Square tapered bottom bracket designed for reliable and smooth crank performance. Durable steel axle construction for strength and long lasting use. Sealed bearing system helps protect against dirt, moisture, and wear. Compatible with frames using a 68 mm bottom bracket shell width. 115 mm axle length provides proper chainline for compatible cranksets. Precision engineered for efficient power transfer and stable pedaling. Suitable for MTB,