From Exotek Racing:
Looser steel cross pin tolerance allows you to tighten the wheel nuts without binding the bearings. The hexes do not lock onto the bearings, unlike the stock plastic hexes.
Uses heavy duty M2 alloy steel screws for the clamping (do not over tighten).
1 pair with M2 hardware.
#1977 – $15.95 MSRP
The extra machining brings the weight down to 13gr (7 grams lighter than stock) but the critical motor mounting areas are still intact to minimize flex for solid motor mounting and gear mesh.