Hot answers tagged wheel
You can always brick-build a wheel. The curved slope pieces can closely approximate a circle. For example, 12 4x1 curved slopes gives a circle with a radius of 160 LDUs (8 studs). For more information on brick-built wheels, I suggest you refer to the "Brick Built LEGO Wheels Book": ...
It looks like LEGO sells chain and sprockets, don't know if you'd have them lying around though. You could also try using pulleys instead. If you don't have any of the actual pulleys, take the tread off of two wheels and stretch a rubber band across, that should work too.
You don't give many details, but there are cross-axle to round-axle pegs available, or you can put the cross-axle through a round-axle brick.
The Technic Riding Cycle theme features several bikes that may be of inspiration. One particular set Moto Cross Bike (42007) uses several 3711: Technic, Link Chain parts to make a chain. Based on Bricklink prices for the last six months, 39 chain pieces (the amount shown in the set above) would cost £4.29 (Aprox. $6.91 or €1.26). Pulleys and rubber ...
The M-motor is directly compatible with almost all the wheels that LEGO has produced, and, with a little building, compatible with every wheel imaginable, even brick-built wheels. If your problem is that the wheel is smaller than the diameter of the M motor, perhaps you want to attach the wheels to an axle, and then drive the axle with the motor. There are ...
I personally have the Lego Group 62.4 x 20 S tires which came with the Lego Creator 7291 2-in-1 Motorcycle kit.
Pretty sure it's Hailfire Droid Wheel.
Sariel has a comprehensive list here: http://wheels.sariel.pl/ Your can also use his gear calculator to determine the output drive parameters (Torque Speed etc).
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