Kyosho UMW720 Lightweight Aluminum Main Chassis Ultima RB6 DBXL Parts The most functional & reliable

The most functional & reliable knuckle couplers on the market

easy assembly

Built around Kato's tight-radius compact track sections

one transmitter

A stiffer front end transmits steering input more directly and holds the front geometry where you set it

Kyosho UMW720 Lightweight Aluminum Main Chassis Ultima RB6 DBXL Parts The most functional & reliableThe UMW720 is Kyosho's optional lightweight main chassis for the Ultima RB6, machined from A7075 T6 aluminum in a 3mm plate. It is roughly 25 grams lighter than the chassis supplied in the kit, and on a 2WD buggy that weight comes out of the lowest point in the car, which sharpens acceleration and lets the suspension work against less mass over bumps. The weight saving is not the whole story. The plate is milled in specific areas to tune how the