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  • Instructions on installing a one piece crank

    Instructions on installing a one piece crank

    Need help getting your rig dialled? Our step-by-step guide has everything you need to know with clear instructions on installing a one piece crank to your Wildcat Mini BMX. Whether you’re building your ride from scratch or replacing a worn-out crank, this guide will have you sorted and shredding in no time.

    The instructions on installing a one piece crank walk you through each step of the process — from what tools to grab, to fitting the crank arm, securing the bearings, and tightening everything for maximum strength and smooth rotation. It’s easy to follow and written in true Wildcat style — no fluff, just real help for real riders.

    A properly fitted crank means more power through every pedal, cleaner landings, and longer-lasting performance. This guide is perfect for anyone looking to level up their DIY game and ride with confidence knowing the job’s been done right.

    Still not sure if you nailed it? No stress — check out what other riders have to say about their setups on our review page. Follow our instructions on installing a one piece crank, and keep your Wildcat cranking hard every session.

    1) Layout of all parts in order from crank arm to 32MM Nut
    Wildcat Mini BMX One Piece Crank Assembly Instructions
    2) Install sprocket to crank arm place keeper pin situated on the crank arm into the hole on the sprocket to keep the sprocket in place.

     Wildcat Mini BMX One Piece Crank Assembly

    3) Install 2x washers against the sprocket

      Wildcat Mini BMX One Piece Crank Assembly

    4) Install Securing nut firmly. May require a tap with a screw driver and hammer.

     Wildcat Mini BMX One Piece Crank Assembly

    5) Install Bearing against the securing nut (Notice position of the bearing).

     Wildcat Mini BMX One Piece Crank Assembly

    6) Apply grease to the bearing and the seat surface inside the bottom tube.

    Wildcat Mini BMX One Piece Crank Assembly 

    7) Install crank arm through the frame of the bike ensuring the bearing is sitting in the seat.

    Wildcat Mini BMX One Piece Crank Assembly 

    8) Apply grease to 2nd bearing and seat then insert the bearing over crank.

     Wildcat Mini BMX One Piece Crank Assembly

    9) Install locking nut firmly against bearing

    Wildcat Mini BMX One Piece Crank Assembly 

    10) Install washer onto crank arm. Notice washer has a key in it to secure against the locking nut this helps to stop the crank coming loose.

     Wildcat Mini BMX One Piece Crank Assembly

    11) Final step install the 32MM Nut firmly against the washer.

    Wildcat Mini BMX One Piece Crank Assembly 

     Wildcat Mini BMX One Piece Crank Assembly