The lightweight aluminum alloy material is durable and improves the overall performance of the Servo Mount Aside from the great looks, aluminum alloy will not flex as much as plastic under stress or during high ambient temperatures. Compatible with Arrma Series ARA7204 1/7 MOJAVE 4WD EXTREME BASH ROLLER DESERT TRUCK ARA106058 1/7 MOJAVE 6S BLX 4WD BRUSHLESS DESERT TRUCK RTR ARA7604V2 1/7 MOJAVE 6S V2 4WD BLX DESERT TRUCK WITH SPEKTRUM FIRMA RTR ARA106053 1/8 KRATON 4WD EXTREME BASH ROLLER SPEED MONSTER TRUCK ARA106040 1/8 KRATON 6S BLX 4WD BRUSHLESS SPEED MONSTER TRUCK WITH SPEKTRUM RTR ARA8608V5 1/8 KRATON 6S V5 4WD BLX SPEED MONSTER TRUCK WITH SPEKTRUM FIRMA RTR ARA106044 1/8 NOTORIOUS 6S BLX 4WD BRUSHLESS CLASSIC STUNT TRUCK WITH SPEKTRUM RTR ARA8611V5 1/8 NOTORIOUS 6S V5 4WD BLX STUNT TRUCK WITH SPEKTRUM FIRMA RTR ARA106060 1/8 OUTCAST 6S BLX 4WD BRUSHLESS STUNT TRUCK RTR, 10TH ANNIVERSARY LIMITED EDITION ARA106042 1/8 OUTCAST 6S BLX 4WD BRUSHLESS STUNT TRUCK WITH SPEKTRUM RTR ARA8710 1/8 OUTCAST 6S BLX 4WD EXTREME BASH STUNT TRUCK RTR ARA106048 1/8 TALION 6S BLX 4WD BRUSHLESS SPORT PERFORMANCE TRUGGY WITH ARA8707 1/8 TALION 6S BLX 4WD EXTREME BASH SPEED TRUGGY RTR ARA8306 1/8 TLR TUNED TYPHON 4WD ROLLER BUGGY ARA106046 1/8 TYPHON 6S BLX 4WD BRUSHLESS BUGGY WITH SPEKTRUM RTR ARA8606V5 1/8 TYPHON 6S V5 4WD BLX BUGGY WITH SPEKTRUM FIRMA RTR