Wolf Tooth Bottom Bracket English BSA 68/73mm for 30mm Spindle Black

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WOLF TOOTH BOTTOM BRACKET ENGLISH BSA 68/73MM FOR 30MM SPINDLE BLACK
Reference Number: 4MV5EM
The Wolf Tooth Bottom Bracket is designed for English (BSA) threaded frames with 68mm or 73mm shell widths. It fits cranksets with a 30mm spindle and comes in black. This bottom bracket features custom bearings made from hardened AISI 52100 chrome steel with a corrosion-resistant ZNA coating for durability and smooth pedaling. An adjustable internal sleeve allows compatibility with 68mm and 73mm BSA shells, while additional sleeves for 83mm and 100mm shells are available separately.
The bottom bracket includes best-in-class weather sealing to protect bearings from water, mud, and debris, and custom polymer spindle bushings to prevent creaking and extend crankset life. Installation and removal use standard 46-12 spline tools compatible with 29mm DUB and 30mm spindle sizes.
Each unit ships with shell and spindle spacers to ensure proper fit and adjustment:
- Shell spacers: 2x 2.5mm
- Spindle spacers for 30mm spindle: 2x 0.5mm, 2x 1mm, 2mm, 3mm, 5mm
Engineered, machined, and assembled in Minnesota, USA, Wolf Tooth offers replacement parts, service guides, and a lifetime warranty on bearings. The complete bottom bracket assembly weighs 82 grams (excluding spacers).
Fits English (BSA) bottom bracket shells with adjustable widths of 68mm and 73mm for versatile installation options.
Designed for 30mm spindle cranksets, compatible with RaceFace/Easton CINCH, 386 EVO, and 392 EVO interfaces.
Features custom AlSl 52100 chrome bearing steel hardened to Rc 61-66 with ZNA corrosion-resistant coating for smooth pedaling.
Includes best-in-class sealing to protect bearings from water, mud, and debris, ensuring durability in various conditions.
Custom polymer spindle bushings eliminate creaking and reduce friction to prolong crankset life and improve ride quality.
ITEM SPECIFICATIONS
BOTTOM BRACKET SHELL I.D. 1.37
BB/FRAME INTERFACE English
BB SHELL WIDTH (MM) 68
BB SHELL WIDTH (MM) 73
WEIGHT 82
SPINDLE INTERFACE TYPE RaceFace/Easton CINCH
SPINDLE INTERFACE TYPE 386 EVO
SPINDLE INTERFACE TYPE 392 EVO
DEFINED COLOR Black
SHELL BSA
COLOR Black
MODEL NAME AlSl 52100 Custom
SPINDLE INTERFACE 30mm
SHELL ID 33.6mmx24tpi
WIDTH 68/73mm
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BTBK1260 .
Company Details
365 Cycles
1180 Enterprise Rd
East Petersburg, PA 17520
United States
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Item specifics