bigegg
Scream Not Working Because Space Make Deaf
- Messages
- 9,479
- Location
- Leeds, West Yorkshire
I know nothing of these things. My last bike was a BMX...
its a ready made, spring loaded, tensioning idler arm.
an easy way to make a rack/pinion would be to fasten the chain to the board - like the drive belt which moves the platten works on a 3d printer?