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New Arrival
New Arrival
MK0 BSA Bottom Bracket
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Wolf Tooth MK0 BSA Bottom Bracket seals out the elements
The Wolf Tooth MK0 BSA Bottom Bracket pairs Silicon Nitride ceramic bearings with a custom race seal that most ceramic options skip. AISI 52100 chrome bearing races carry a corrosion-resistant ACOSUR-ZNA coating, and polymer spindle bushings isolate the bearing race from the crank spindle to eliminate the metal-on-metal contact that causes creaking. One adjustable-width shell covers 68 to 73mm BSA widths, with 83mm DH and 100mm fat bike sleeves sold separately for builds outside that range.
What Our Gearhead® Experts Are Saying:
"The ACOSUR-ZNA coating on the bearing races is what separates this from every other ceramic bottom bracket I've run. I've pulled mine apart at the end of a wet season and found zero corrosion on the races, which is the actual failure point on cheaper ceramic setups."
Details
- Low-drag ceramic bottom bracket for all-condition riding
- Adjustable shell fits 68 to 73mm BSA bottom bracket widths
- Silicon Nitride bearings resist water, mud, and grit
- Compatible with 24mm, 29mm DUB, and 30mm spindle cranksets
- Installs with standard spline tools, no proprietary parts
- Replacement bearings and bushings keep it serviceable
- Machined and assembled in Minnesota, USA
- Item #WFCA06F
- Material
- [cups] 6061-T6 aluminum, [shell] POM, [seals] NBR, urethane, [spindle bushings] POM, [bearing ball] Silicon Nitride, [bearing race] AISI 52100 chrome bearing steel, ACOSUR-ZNA corrosion-resistant coating
- Shell Type
- BSA threaded
- Shell Width
- 68-73mm BSA
- Threading
- BSA
- Spindle Type
- [options] 24mm, 29mm DUB, 30mm
- Crankset Compatibility
- SRAM DUB, Shimano, and other 24mm, 29mm, and 30mm spindle cranksets
- Includes
- [24mm] 2x 2.5mm shell spacers, 2x 0.5mm, 2x 1mm, 2mm, 3mm, 5mm spindle spacers, [29mm] 2x 2.5mm shell spacers, 2x 0.5mm, 2x 1mm, 3mm, 5mm, 7.5mm spindle spacers, [30mm] 2x 2.5mm shell spacers, 2x 0.5mm, 2x 1mm, 2mm, 3mm, 5mm spindle spacers
- Claimed Weight
- [24mm] 2.7oz (76g), [29mm] 2.9oz (82g), [30mm] 2.7oz (77g)
- Activity
- road cycling
- Manufacturer Warranty
- limited 1 year
- Manufacturer Part Number
- [24mm] WBB-BSA-24-MK0-SGR, [29mm] WBB-BSA-29-MK0-SGR, [30mm] WBB-BSA-30-MK0-SGR