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BlackBearing B5 T47 68/73 Praxis
Description
The Blackbearing bottom bracket range has been specifically developed to withstand the most extreme conditions.
The BBlock technology (built in 2 threadable parts) allows a better alignment of the casing in its assembly offering several advantages:
- minimizes possible cracks
- greater protection to the bearing extending its useful life
- an easier replacement of the bearing.
CNC machined aluminum.
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Made in the USA
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Enduro ABEC 3 sealed bearings
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Bottom Bracket Shell Width (mm): 68mm - 73mm
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Stock Code:WMBB-BB86-29-BB
Expand your choice of cranks for use in frames with 41mm ID shells. Replace your bottom bracket with these dual-row flanged bearings and run 29mm (SRAM DUB) spindle cranks in your frame. These bearings fit directly in frames with 41mm ID bottom bracket shells. Crankset spindle length must be longer than 104mm when used in a 86.5mm wide BB shell.
Complete kit for one frame
Includes:
(2) - Enduro BB86 to 30MM Dual-Row ABEC-3 Bearing
(2) - 0.5mm crank spacer
(2) - 1.0mm crank spacer
(2) - 5.0mm crank spacer
(2) - Dust seals
Bottom Bracket/Frame Interface: BB86, BB92, PF90, BB104/107, PF121, PF132
Bottom Bracket Shell Width: 86.5mm - 132mm
Bottom Bracket Shell I.D.: 41mm
Flange OD: 42mm
Crank Spindle Diameter: 29mm (DUB)
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Stock Code:WTBB-BSA-24-BLKStock Code:WTBB-BSA-24-ORGStock Code:WTBB-BSA-24-PRUStock Code:WTBB-BSA-24-RSILStock Code:WTBB-BSA-29-BLKStock Code:WTBB-BSA-29-ORGStock Code:WTBB-BSA-29-PRUStock Code:WTBB-BSA-29-RSILStock Code:WTBB-BSA-30-BLKStock Code:WTBB-BSA-30-ORGStock Code:WTBB-BSA-30-PRUStock Code:WTBB-BSA-30-RSIL
Wolf Tooth BSA 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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- Installation and removal with standard 44-16 spline tool or BBS4416
- Replacement parts available
- Engineered, machined, and assembled at Wolf Tooth HQ in Minnesota, USA
- Lifetime warranty on the bearings
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