Truvativ GXP

Shockcraft MTB Stepped Bottom Bracket (Monocrome)

All current options for GXP bearing replacement require compromises in bearing choice and fit.  Shockcraft instead offers its own GXP compatible bottom bracket which has no compromise on bearing fit, performance or material options.  

Shockcraft's Monocrome Stepped Bottom Bracket is a direct replacement which fits perfectly and is 100% servicable.  Bearing options both when new and for retrofit include Chromium Steel, Stainless Steel, Ceramic Hybrid and the Big Steel or Big Ceramic Hybrid options.  They use exactly the same bearings and caps (or gaskets) as our 24 mm MCEBB-001 bottom brackets but step down to 22 mm on the non-drive side and have a width and offset tailored to fit the GXP cranksets.

For wet conditions we recommend CNC Storm Drains.  If paired with Monocrome Stainless Steel bearings the bearings are warrantied for 12 months in any conditions.

Once you have a Monocrome Bottom Bracket it will last the life of your bike.  Replacing wear parts (bearings and caps) is easy, cost effective and allows upgrades at any time.  Bearings listed below are replacements for the Monocrome Stepped Bottom Brackets.

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  1. GXP Drive Side Spacer Cap Kit (Shockcraft)

    GXP Drive Side Spacer Cap Kit (Shockcraft)

    $10.00

    On a significant number of GXP bottom brackets the drive side bearing cap will spit out of the bearing. This kit includes a new Monocrome cap to fit your GXP bottom bracket and selection of o-rings to keep it in place. Learn More
  2. 6805 Steel Bottom Bracket Bearing Kit (Monocrome)

    6805 Steel Bottom Bracket Bearing Kit (Monocrome)

    $29.80

    Application: Monocrome, Raceface X-Type & FSA MegaExo Bottom Brackets
    ID: 25 mm, OD: 37 mm, W: 7 mm

    Available with Bearing Press Service & CNC Storm Drains Learn More
  3. 6805 Stainless Steel Bottom Bracket Bearing Kit (Monocrome)

    6805 Stainless Steel Bottom Bracket Bearing Kit (Monocrome)

    $89.40

    Application: Monocrome, Raceface X-Type & FSA MegaExo Bottom Brackets
    ID: 25 mm, OD: 37 mm, W: 7 mm
    Stainless steel balls and races

    Available with Bearing Press Service & CNC Storm Drains Learn More
  4. 6805 Ceramic Hybrid Bottom Bracket Bearing Kit (Enduro)

    6805 Ceramic Hybrid Bottom Bracket Bearing Kit (Enduro)

    $179.00

    Application: Monocrome, Raceface X-Type & FSA MegaExo Bottom Brackets
    ID: 25 mm, OD: 37 mm, W: 7 mm

    Available with Bearing Press Service & CNC Storm Drains Learn More
  5. "Top Hat" Bearing Cover Pair (Monocrome)

    "Top Hat" Bearing Cover Pair (Monocrome)

    $4.00

    Replacement "Top Hat" bearing cover pair for your Monocrome External Bottom Bracket.
    These can also be used to fit 6805 bearings into Trek BB90 and BB95 internal bottom brackets. This allows greater bearing choice.

    Fits MCEBB001, MCEBB101 or MCEBB201. Learn More

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