The Derby Worx, Inc 4 Grooved Axles are standard ...
B.S.A. derby axles that have been machined with a back-cut then are trued and made round. Four grooves are added to reduce friction and hold graphite. These come semi polished so that ...
Derby Worx Pro-Straight Cut Axles are C.N.C. machined ...
true and round to remove the burr and crimp marks, with back angled heads for friction reduction. They are semi-polished / finished down to an 800 grit so the builder can finish ...
wedge. Both have been cut from the best finegrianed soft wood. Each piece is knot-free; therefore carving a racer design is easy. This kit requires some woodworking tools. All wedges and blocks ...