Direct fit hop-up requires no modification for use

Mod1 5mm Hardened Steel Pinion Gear 14 Tooth (1)

Hard anodized black aluminum slider

Put two or three air holes in the wheels or tyres to allow the tyre to flex properly

The 6WD chassis employs 3 differential gears to transmit power from the front-center-mounted motor to all of the model's wheels

Estes Rockets - 3/16" Two-Piece Maxi Rod, for Large Rockets KYO34494T1 Direct fit hop-up requires noThis 3 16" (5 mm) diameter two piece launch rod is necessary for most of Estes larger rockets that are powered by C11, D and E Engines. Can be used in the 2215 Porta Pad II or 2238 Porta Pad E launch pad. Also works great when used as an alignment tool on model rockets that require two launch lugs.