WRAP-UP NEXT HD PRECISION UPPER ARM (PURPLE)(0670-FD) dlike By increasing the rigidity of

By increasing the rigidity of the damper support

it is necessary to change the upper arm pin to (R31S020) convert upper pin for GRK4 damper stay

immediate response

ESC Programming Via: Mobile Phone APP( Apple & Android)

while plug-in  the  gain wire

WRAP-UP NEXT HD PRECISION UPPER ARM (PURPLE)(0670-FD) dlike By increasing the rigidity ofWrap Up Next HD Precision Upper Arm Two piece structure made of high precision aluminum that has been redesigned from the ground up. Uses high quality 740 bearings manufactured by major domestic bearing manufacturers. 4mm diameter stainless steel upper arm shaft with high holding power. By changing the thickness of the spacer, casters can be adjusted steplessly up to 5mm. By scale notation by laser marking, we can perform fine adjustment of caster