Features: Steel channel ladder frame

Upgrades the stock 5x11x4mm unsealed outer pinion bearing with an oversized 5x13x4mm sealed bearing for a stiffer and stronger drive train

CC Pinion 17 Tooth - Mod 1

Outside dimension: 2

Estes Rockets - Red Diamond Model Rocket Kit, Bulk Pack of 12, E2X Electric Accessories Battery Charging and Balancing Features: Steel channel ladder frameAll parts are pre colored and with a little plastic cement and white glue, you will be at your launch site in no time at all. Standing a massive 27. 2 inches tall and powered by standard engines, you can't go wrong with this bulk pack! Features: E2X Easy to Assemble Includes 12 rockets. Plastic fins, self stick decals, 15 in. (38 cm) parachute recovery Recommended Engines: B6 4 (first launch), C6 5 Specifications: Length: 27. 2 in. (69. 1 cm)