Originally Posted by
Marcus Falconie
Can you guys help me out. I want to change the bearings in my GRP .21 do I have to use stock or is there a ceramic replacement. If so do you know where to get it and what size. Thanks
Rear Crank bearing 14 x 25.4 x 6
http://tkocompetitiondev.com/product...roducts_id=157
Front Crank Bearing 7 x 19 x 6
http://tkocompetitiondev.com/product...roducts_id=156