Feature
1) Brass portal knuckle cover adds 182g a pair, to improve climb performace greater stability and a lower CG
2) Make of high quality brass material (with black coating to prevent avoid oxidation)
3) Includes SAMIX scale brake rotor & caliper for realistic looking crawler (the brake rotor suitable for STD TRX-4 wheel)
4) More rigid and increased durability
5) Direct fit on TRX-4 front & rear std knuckle and SAMIX alum. or brass option knuckle
6) Combo set will save you up to 10%