High Speed Gear Kit - 18045

This goods is five group of light and handy gears that is engineering plastic material,It's 1.6~2.5 transimission ratio. Very good used for DIY project(like a small mechanical motion device, application in toy and robot)    Feature:

• material:engineering plastic
• good wear-resistance
• low niose
• transmission smooth and steady.

  Specification： It has 5 group high speed gears,different transmission ratio as follow:                                                                            2.5 : 1（32T+13T） 2.2 : 1 (31T+14T)   2.0 : 1 (30T+15T)   1.8 : 1 (29T+16T)   1.6 : 1 (28T+17T)                    specially: They are pairs using with one to one     For any technical support or suggestion, please kindly go to our forum.