Important Notice: Easter Bank Holiday Closure
We will be taking a well-deserved break over the Easter bank holiday. Any orders placed after 9am on Thursday 28th March will be posted on our return on Tuesday 2nd April.
We apologize for any inconvenience this may cause and appreciate your understanding.
A range of red plastic MOD1 gears that will fit tightly onto a 4mm shaft. All of the gears can be meshed together to get different final drive ratios. Available with either a plastic or brass centre bore fixing. These gears are a tight fit and should be pressed onto any 4mm steel type shafts.