This is an optional precision molded 57T spur gear (1st gear) from XRAY. This gear is made from special composite material which gives the spur gear an optimum balance of hardness, toughness, and flexibility thus providing long life, minimal wear, and minimizing breakage or teeth stripping. The spur gear remain strategically lightened to reduce rotating mass. The special composite material will withstand even the most extreme racing conditions which imparts high tension on the spur gears.
The spur gears are injected in specially constructed mould that ensures equal material injection which ensures ultra true and wobble free running of the spur gear which makes the NT1 spur gears some of the world's most precise.
Each gear is stamped with a tooth number for easy identification. Available in all popular sizes, allowing you to find the perfect gear ratio for any track.