CHAIN R3-3 520X120 SRS CHAIN gearbox oil 390RR 4T 20-23

390RR 4T 20-23

5 offer a pre-curved performance fit straight out of the box

Lightweight fiberglass

Anatomically Correct Shoulder Brace to Protect

150 EXC 17-19

CHAIN R3-3 520X120 SRS CHAIN gearbox oil 390RR 4T 20-23Renthal R3 3 Off Road Chain boasts a unique Self Regulating Seal (SRS) design that are pre loaded during assembly. The spring effect created during this process delivers constant seal pressure as the chain wears, allowing for extended lubrication intervals while delivering incredible durability unlike traditional O Ring chains which lose sealing pressure as they wear. The result is a strong, long lasting, high performance o ring dirt bike chain, ideal