Tange LN3922 68x118mm JIS
Description
Tange-Seiki LN 3922 JIS cartridge bottom bracket features ultra-smooth sealed cartridge bearings, solid boron steel spindle and steel cups.
- 68mm English-threaded (1.370" x 24 tpi)
- JIS square taper
- steel cups & sleeve
- requires Park Tool BBT-22 for installation & removal
- crank arm bolts are not included
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** FIT KIT REQUIRED FOR USE **
ThreadFit™ T47 24x fits 68mm and 73mm shell widths with 24mm spindles.
It’s a silky smooth, long-lasting bottom bracket built around King’s legendary, angular-contact bearings, either steel or ceramic. These are the best bearings in the industry, and actually get faster over time, as their contact surfaces wear.
You want this bottom bracket because it offers super low drag. You want this bottom bracket, because it can be opened, cleaned and repacked for years of faithful service. You want this bottom bracket, because you don’t want to think an awful lot about your bottom bracket.
- King Lifetime Warranty
- Legendary made-in-house bearings
- Threaded security with PressFit 30 shell stiffness
- A Fit Kit is required for use
- Engineered, manufactured and assembled in Portland, Oregon USA
- Uses Chris King bottom bracket cup tool for installationExpected Date:27 June 2025Expected Date:27 June 2025$349.00 (RRP)$349.00 (RRP)$349.00 (RRP)$349.00 (RRP)$349.00 (RRP) -
Stock Code:WTBB-T47I-30-RSIL
Wolf Tooth T47 Internal Bottom Brackets are engineered to be smooth, durable, lightweight, fast, and user-serviceable. The ground-up design features custom bearings, seals, bushings, and cups, which eliminate creaking and balance best-in-class weather sealing with optimized bearing radial compression, alignment, and preload for low drag.
The bearings in Wolf Tooth Bottom Brackets feature a custom design. The balls and race are made from a hardened chrome bearing steel. This has a higher surface hardness than stainless, which improves the durability of bearing races and reduces spinning resistance and noise. An ACOSUR ZNA coating has also been applied to the race to provide corrosion resistance that is equal to or better than stainless steel after a 500-hour saltwater test. Bearing material paired with an extensive sealing system and the elimination of metal-on-metal contact means Wolf Tooth Bottom Brackets have superior performance in all conditions.
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