AXSPEED brass 12 mm wheel hex adapters for TRX4, TRX6 and compatible 1/10 crawlers, available in multiple thicknesses to tune track width.
Key details
Hex size: 12 mm.
Material: brass.
Thicknesses by variant: 5 to 20 mm.
Listed for TRX4, TRX6 and compatible 1/10 crawlers.
A thicker hex widens track width and can improve stability, but it also changes bearing, steering and driveshaft loads. Check wheel and body clearance before installation.
