Not sure if that is always the case. Some shops stock the longer ones and let us less than gifted(see Irish)gentlemen cut them down. I usually like to cut them on angle with the back of the rail. Put the sled on a stand, take the belt off and turn the track by hand. See what your opinion is when the track starts making the turn at the back wheels.
Remove your original.....take a #2 phillips screwdriver and push it thru the mount (bolt hole) then do the same with the new hyfax (now they are stacked). This will give you the correct length as the OEM cut. I agree with putting a bevel on the tails.
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