We are always happy to help sort out gear ratios for our customers but if you know roughly what speed you want to go at, what diameter the tread on your loco is and what speed the motor is please feel free to use our gear ratio program to help select what gears you require.
Gear ratio program

Teeth	Price	O/dia*	Teeth	Price	O/dia*
10	£3.07	53	20	£5.49	94
12	£3.41	61	30	£10.25	134
14	£3.47	69	40	£15.48	174

These are the most common sizes for the 1/2" x 5/16" sprockets, we should be able to get any size between 10T and 40T and upwards.
*O/dia is in mm with the chain around the sprocket.
All pilot bored.
All simplex with boss.
We can get duplex, triplex and plate wheels.

Chain £9.00per 1 M
Chain is sold in 1/2M lengths, minimum length of 1/2M maximum continuous length of 5M

Con link £1.60

1/2 Con link £2.61

All prices include 20% VAT