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[How To] Make your own sprocket guard
by Oscar | 16 Nov 2005 12:53 pm
This is a step by step guide on how to make your own full sprocket guard, for when your sick of losing your sprockets teeth to ledges and rails.
Materials:
- An appropriate old sprocket, it doesnt have to be anything fancy, just as long as it doesnt have too many cut-out bits in the middle.
- An angle grinder (unless you want your arm to fall off from using a hacksaw and file)
- A vice
- Spare washers and spacers if you have a 19mm spindle.
Step 1) Position the sprocket in the vice, in a way that you can cut downwards on the teeth
Step 2) Cut all the teeth off, while moving the sprocket round in a circle. Before touching it to move it try squirting some water onto it as it can get very hot with the angle grinder.
Step 3) Smooth over it, go round the sprocket a few times smoothing over all the sharp edges and bits of metal hanging off. It doesn't have to be perfect but its better to get the really sharp bits off.
Step 4) Fit it too the bike - you should be able to just slot it on the spindle outside your normal sprocket; if its bent, put extra spacers between your actual sprocket and your new guard.
Step 5) Go sprocket grind something!
It may not be as nice looking or as trendy as a bought one, but you get a unique guard which depending on how thick your old sprocket was is still strong, without spending the $50 US or more.
It might also get your parents off your back for having so many damn old bike bits lying around!
I used an old DK sprocket, the thin kind and its already saved some teeth.
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