35T, 84T, 90T Colchester Student 1800 cambio de marchas, hecho a pedido de Delrin.
35T, 84T and 90T Colchester Student 1800 change gear, made to order from delrin. Face width 1/2", 6 way spline 1/4" wide, module 1.5. If you need any other gear, please send me a message. Thank you!