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the R4 Race Collar can be worn on the track or trail with minimal distraction and maximum comfort
update M5S to latest firmware in RACE Studio 3 (Minimum M5S firmware version for install is 02
The silver 'standard' version provides less grip than the clear 'soft' stiffness seat
Great for soft axles that tend to crush when tightening grub screws which elongates axle and can cause grub screws to come out
This single piece axle collar slips over the shoulder of the bearing and contains an inner o'ring meaning that the collar stays on the kart when changing axle
MyChron 4 Pin Patch Cable 1M | Male - Female Clearance the R4 Race Collar can
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