Exotek Racing - Aluminum Pro Steering Rack, with Bearings, for RB7 Model Rockets Launch Equipment They also use in-line screws

They also use in-line screws to retain the outer hinge pins while ditching the inside retaining screws for shoulders in the hinge pin holes

wheels and CA glue are required

8) PINION 12T

Its good to go

Heavy duty 7075 alloy wing mounts for the RB7 and RB6 series mid motor buggies

Exotek Racing - Aluminum Pro Steering Rack, with Bearings, for RB7 Model Rockets Launch Equipment They also use in-line screwsTwo color anodized, heavy duty machined, 7075 alloy steering rack for the RB, ST and SC series. Designed for use with included 3X6MM ball bearings and crush sleeves for the smoothest and most precise operation. Includes 4 ball bearings, 2 crush sleeves and 2 shims. Polished and anodized in black. Matches the stock geometry and is compatible with the RB7, RB6, SC6, ST6,etc.