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  1. D

    Rockrider est 520 thru axle adaptor for trailer

    So measuring the thread length is the answer. If its 20mm then its a maxle boost with pitch of 1.75 mm. Ace, thanks.
  2. D

    Rockrider est 520 thru axle adaptor for trailer

    Hiya. Any help appreciated. I'm trying to find the correct thread pitch for the thru axle on a rockrider est 520. The thru axle is 148 x 12 and I'm looking to buy an adaptor axle that can attach a kiddy trailer to. There are axles out there but I need to know if the thread pitch is 1 , 1.5...