Wolf Tooth MK0 Ceramic Bottom Bracket – English BSA, 68/73mm, 30mm Spindle
Original price was: $83.20.$62.26Current price is: $62.26.
97 in stock
Description
Upgrade your bike’s performance with the Wolf Tooth MK0 Bottom Bracket – English (BSA), 68/73mm, for 30mm Spindle, Shadow Gray. Engineered for durability, efficiency, and lightweight performance, this premium bottom bracket is the ideal choice for cyclists seeking reliable power transfer and smooth ride quality.
Materials & Construction
Constructed in the USA, the Wolf Tooth MK0 Bottom Bracket showcases high-quality 6061-T6 Aluminum cups and AISI 52100 chrome-bearing steel races hardened to Rc 60-65, offering exceptional strength and longevity. Paired with silicon nitride ceramic bearings and Urethane/NBR seals, this bottom bracket provides superior resistance against water, mud, and debris, ensuring long-lasting performance in all riding conditions.
Performance & Engineering
Designed for optimal efficiency, the MK0 features custom ceramic bearings with best-in-class sealing, minimizing friction for effortless pedaling. The silicon nitride ceramic balls deliver low drag and high speed, while the precision-machined internal sleeves allow adjustable width to fit 68mm and 73mm BSA shells. The custom polymer spindle bushings eliminate creaking and metal-on-metal contact, drastically extending bearing life and enhancing overall ride smoothness.
Components & Technology
– Ceramic Bearings: Reduce drag, increase speed, and offer unmatched durability
– Weather Sealing: Advanced sealing technology protects against water, mud, and debris
– Adjustable-Width Sleeve: Fits multiple shell widths (68mm, 73mm, 83mm, 100mm)
– Compatibility: Designed for 30mm spindle cranksets, including RaceFace Cinch
– Installation: Compatible with standard 44-12 spline (24mm) and 46-12 spline (29mm DUB, 30mm) tools for easy installation and removal
Style & Use Case
Sport a sleek Shadow Gray finish that complements modern mountain bikes, gravel rigs, or trail bikes. The lightweight yet rugged design makes it perfect for aggressive mountain biking, endurance riding, or daily commuting where reliable performance is essential. Its CNC-machined aesthetic offers an impressive look that seamlessly blends form and function.
Innovative & Differentiating Features
– Best-in-Class Sealing: Ensures longest-lasting performance by preventing contaminants
– Custom Bushings & Seals: Eliminate creaks and reduce seal drag for superior weatherproofing
– Lightweight Design: CNC-machined for weight reduction without sacrificing strength
– Made in the USA: Crafted with precision quality standards for durability and reliability
Technical Specs
– Weight: 77g (including complete assembly, without spacers)
– Compatible Spindles: 30mm spindle (RaceFace Cinch or similar)
– Shell Fitment: 68mm and 73mm BSA shells, with available spacers for wider shells
– Color: Shadow Gray
– Material: Aluminum, ceramic, polymer, steel
– Maximizes Performance: Ideal for progressive riders demanding seamless power transfer and peace of mind on rugged trails or long-distance rides
Elevate your bike with the Wolf Tooth MK0 Bottom Bracket, delivering unmatched durability, effortless pedaling, and a sleek aesthetic-all engineered right here in Minnesota, USA. Perfect for cyclists seeking cutting-edge technology, robust sealing, and lightweight performance in a reliable bottom bracket solution.
- Elevate your bike’s performance with the Wolf Tooth MK0 Bottom Bracket, engineered for durability and efficiency in tandem with high-performance materials like 6061-T6 aluminum and silicon nitride ceramic bearings, ensuring a lightweight yet robust build.
- Featuring advanced sealing technology and custom polymer spindle bushings, this bottom bracket provides exceptional weatherproofing-resisting water, mud, and debris-while eliminating creaking and metal-on-metal wear for smooth, reliable operation.
- Designed for versatility, the MK0 Bottom Bracket supports 30mm spindle cranksets and fits a wide range of shell widths from 68mm to 73mm, with available add-on sleeves for 83mm and 100mm shells, making it perfect for diverse bike setups.
- Utilizing innovative ACOSUR-ZNA corrosion-resistant coating and precisely machined CNC components, this bottom bracket offers superior speed, longevity, and effortless installation using standard 44-16 or 46-12 spline tools.
- Made in the USA by Wolf Tooth, the MK0 Bottom Bracket combines form and function with aggressive weight reduction, integrated sealing, and compatibility with DUB, 24, and 30mm spindles-designed to enhance your riding experience under all conditions.











