9 MM Spacer for the MTB Manual Machine

You may need an additional spacers

It is important that the Sender Manual Master Machine snugly holds your rear tyre to avoid damaging the machine or your tyre. You can increase or decrease the air pressure in your rear tyre for additional adjustment and fit.

12 mm Spacer for the MTB Manual Machine

You may need more than one spacer. 

It is important that the Sender Manual Master Machine snugly holds your rear tyre to avoid damaging the machine or your tyre. You can increase or decrease the air pressure in your rear tyre for additional adjustment and fit.

18 mm Spacer for the MTB Manual Machine

You may need more than 1 spacer.

It is important that the Sender Manual Master Machine snugly holds your rear tyre to avoid damaging the machine or your tyre. You can increase or decrease the air pressure in your rear tyre for additional adjustment and fit. 

12 mm Spacer for the BMX Manual Machine

Use this simple 12 mm spacer to narrow the wheel gap.

You may need an another spacer

It is important that the Sender Manual Master Machine snugly holds your rear tyre to avoid damaging the machine or your tyre. You can increase or decrease the air pressure in your rear tyre for additional adjustment and fit.