Wolf Tooth MK0 Bottom Bracket
English BSA 68/73mm For 24mm Spindle Shadow Gray

$309.95

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Key Features

  • Material: Ceramic*
  • Weight: 0.3 lb*

Learn More About This Product

Wolf Tooth MARKZERO (MK0) Bottom Brackets take performance to another level with aggressive machining custom ceramic bearings and intricately designed race sealing built to their exacting specifications. This design saves you watts while proving durable enough for the most intense off-road racing inclement conditions and are fully serviceable. MK0 components are proudly machined at Wolf Tooth HQ in Minnesota USA.
  • MK0 silicon nitride ceramic bearings feature custom race sealing for flawless performance against the elements and endless speed
  • Custom polymer spindle bushings separate the bearing inner race and crank spindle to eliminate metal-on-metal contact the leading cause of bottom bracket creaks
  • Bushings also helps enhance bearing longevity with an interface to the bearing gutter seal for maximum weatherproofing
  • Aggressively machined to be lighter than the competition while offering superior speed and performance in all conditions
  • 6061-T6 Aluminum cups and AISI 52100 chrome bearing steel races hardened to Rc 60-65 with ACOSUR-ZNA corrosion resistant coating
    Bottom Bracket Shell I.D. 1.37
    BB/Frame Interface English
    BB Shell Width (mm) 73
    Weight 76
    Spindle Interface Type Shimano Hollowtech II
  • Product Identifiers

    • SKU: CR2588
    • Barcode: 810159403498
    • Manufacturer Part Number (MFPN/MPN): WBB-BSA-24-MK0-SGR
    • Model Number: D1940


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    At the end of the day, we’re mountain bikers. We spend our weekends on the dirt, chasing turns, and geeking out over gear. We sell the brands we ride and love, and we care about every build like it’s headed into our own garage. Our goal is simple: to make buying your bike such a good experience that when we see you out on the trail, it feels like seeing a friend.

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    *Disclaimers

    1. While every effort is made to ensure the accuracy of the above information, it is entered by real live humans and humans make mistakes. The majority of the bikes on our website are specced exactly as they come from the manufacturers. Any upgrades or customizations will be listed separately. Please confirm with Airpark Bike Co if there are any questions about the included specification for the bike you are looking at.
    2. Bike component specifications including (but not limited to) suspension, drivetrain, brakes, tires, and wheels are subject to change by the manufacturer without notice.
    3. Any indicated component upgrades included or purchased in conjunction with a bike will be replacements for OEM components on the bike. The bike will ship with the upgraded components installed, but will not include the OEM components. Credit for the OEM components are factored into the pricing for upgrades.
    4. Weights, where provided, are based on manufacturer estimates for the model and are not a guarantee. The actual delivered weight may vary between build kits or spec levels of the same product, as well as between sizes. It may also vary due to upgraded components, variation in amounts of lubricants and sealants, and other factors.
    5. The list of materials in automatically generated. It's intended to give a general overview of key materials and is not necessarily complete or accurate. Products may also contain other materials not listed. Contact us if you have questions about a particular product.
    Wolf Tooth MK0 Bottom Bracket - English BSA 68/73mm For 24mm Spindle Shadow Gray

    Wolf Tooth MK0 Bottom Bracket
    English BSA 68/73mm For 24mm Spindle Shadow Gray

    $309.95
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