CHAIN R3-3 520X120 SRS CHAIN gearbox oil tested for O-rings

tested for O-rings

motorcycle racing

we added a Virus™ CoolJade liner

Anatomically Correct Shoulder Brace to Protect

Lightweight fiberglass

CHAIN R3-3 520X120 SRS CHAIN gearbox oil tested for O-ringsRenthal 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