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Tange LN3922 73x127mm JIS
Description
Tange-Seiki LN 3922 JIS cartridge bottom bracket features ultra-smooth sealed cartridge bearings, solid boron steel spindle and steel cups.
- 73mm 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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By popular demand, we've added this PF30 with outboard bearing BB for use with 29mm spindle SRAM DUB cranksets when used in PF30 frames. The two machined aluminum cups thread together keeping the bottom bracket stable in the frame, increasing bearing life, and simplifying maintenance. This means no more creaking, smoother operation, longer bearing life, and really quick bearing replacement.
Bearings: Enduro ABEC-3
Bottom Bracket/Frame Interface: PF30, Specialized Carbon OSBB*
Bottom Bracket Shell Width: 61mm* to 73mm
Bottom Bracket Shell I.D.: 46mm
Over Bearing Width: 89mm in 68mm wide shell
Crank Spindle Diameter: 29mm
Tool Pattern: 48.5mm x 16 notchStock Level:In StockStock Level:In StockStock Level:In Stock$235.00 (RRP)$235.00 (RRP) -
Stock Code:CKBB-AAB1Stock Code:CKBB-AAR1Stock Code:CKBB-AAS1Stock Code:CKBB-AAT2Stock Code:CKBB-AAY1Stock Code:CKBB-AABFStock Code:CKBB-AAB2Stock Code:CKBB-AAM2Stock Code:CKBB-AAP1Stock Code:CKBB-AAZ2Stock Code:CKBB-AAG2
REQUIRES A CHRIS KING THREADFIT24 FIT KIT
ThreadFit™ 24 fits 24mm cranks in 68mm BB shells.
Our ThreadFit™ 24 bottom bracket is designed and built to be durable, serviceable, and silent. Manufactured to create the most precise interface between your frame’s bottom bracket shell and your cranks, it makes your cranks spin lightly and easily, without interference, for the lifetime of your bike (with a little regular service). King’s legendary, angular-contact bearings, both steel and ceramic, are the best 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.
- Engineered, manufactured and assembled in Portland, Oregon USA
- King Lifetime Warranty
- Legendary made-in-house bearings
- A Fit Kit is required for useStock Level:Out Of StockStock Level:Out of StockStock Level:Out of StockStock Level:Out of StockStock Level:Out of StockStock Level:Out of StockStock Level:Out of StockStock Level:Out of StockStock Level:Out of StockStock Level:Out of StockStock Level:Out of StockStock Level:Out of StockExpected Date:08 August 2026$349.00 (RRP)$349.00 (RRP)$349.00 (RRP)$349.00 (RRP)$349.00 (RRP)$349.00 (RRP)$349.00 (RRP)$349.00 (RRP)$349.00 (RRP)$349.00 (RRP)$349.00 (RRP) -
Stock Code:WMBB-T47IN-PRX
T47 threaded BB cups for T47 frames and M30 28/30mm spindle diameter Praxis compatible cranks. Cups have outboard bearings, and can be used in BB shells with widths from 68mm to 100mm. Machined aluminum cups thread together directly into a T47 BB shell. Bearings are easily serviced or replaced. Includes sleeve to fit between cups for added protection from dirt and grime, and also keeps your internal wires and hoses from rubbing on the crank spindle.
T47 BB cups are similar to standard BSA threaded cups in that the drive side cup is left-hand thread and the non-drive side cup is right-hand thread. Use a quality grease when installing in steel or aluminum BB shells, and an anti-seize compound compatible with titanium BB shells.
Bottom Bracket Includes:
BB Cups with bearings
2 - Silicone dust seals
2 - 0.5mm crank spindle spacers
2 - 1.0mm crank spindle spacers
1 - 2.5mm crank spindle spacer
1 - 28mm InsertStock Level:In StockStock Level:In Stock$245.00 (RRP)Add To Cart
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ThreadFit T47A 24 fits T47 BB-Right shells with 24mm spindles.
It’s a silky smooth, long-lasting bottom bracket built around King’s legendary angular-contact bearings.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
- Engineered, manufactured and assembled in Portland, Oregon USA
- Uses Chris King bottom bracket cup tool for installation*
- Fit Kit required for use**Stock Level:1Stock Level:Out of StockStock Level:1$349.00 (RRP)$349.00 (RRP) -
Stock Code:TGBB-TGLN392273-122
Tange-Seiki LN 3922 JIS cartridge bottom bracket features ultra-smooth sealed cartridge bearings, solid boron steel spindle and steel cups.
- 73mm 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 includedStock Level:In StockStock Level:In Stock$49.00 (RRP)Add To Cart