Renthal - 420 R1 Works Chain Length:130 the PT428MX uses all the

the PT428MX uses all the same technology and innovations as the bigger 520 MX chain

What's in the box(4) Compression Elastomers (2) Rebound Elastomers(2) Shim washers(2) Lock nuts Compression Elastomer Color Break Down: (#1) Red - Hard (#2) Yellow - Medium (#3) Blue - SoftRebound Elastomer Color Break Down:(#1) Red - Hard(#2) Yellow - MediumSetup Tips:

it works best with Enduro Engineering

Less effort is required to initiate turn-in and it keeps the bike going straight in whoops allowing the rider to be more aggressive

Power Requirements: 12V DC only

Renthal - 420 R1 Works Chain Length:130 the PT428MX uses all theRenthal's R1 Works Chain is a high strength, non O ring chain with excellent impact load resistance designed specifically to withstand the stress found in offroad applications. This chain is the choice where a combination of high strength, lightweight and maximum power transfer are important considerations. Shot peened alloy steel side plates for high tensile strength and maximum impact load resistance. Chamfered inner links to help reduce the chance