Chain RK MXZ 420 Special Racing 120 link
Rear Sprocket Bolt kit. Burnt Blue anodized color. Contains 5 8x19mm titanium bolts. Threads are rolled not cut to ensure proper torque specs and a stronger bolt. Does not rust or corrode like steel bolts. Dual Drive Head. T40 Torx Drive. 10MM Hex. Includes blue thread lock
db Dirty Bike Industries primary drive system uses a sealed X-ring chain instead of O-rings to minimize drag and reduce chain noise giving you a longer lasting drive system. If you ride in dusty, sandy or muddy conditions you may have primary belt slippage which will eventually fail the stock primary belt, possibly leaving you stranded in the middle of...
Replace that primary belt drive system before it fails! Install a db Dirty Bike Industries super quiet 219 primary chain drive system. This primary chain drive kit is much quieter than the 420 kit and maintains the stock gear ratio. This durable kit includes two one-piece, heat treated steel sprockets and a db exclusive beefy 219H "straight plate" chain....
For off-road application, chain should be promoted with upgraded steel alloy for all parts, subject to going through exclusive heat-treating process as well, to remarkably reinforce its toughness against rugged terrain riding. KMC employs chromized pin and solid bushing into this chain to boost up its wear endurance and shock absorption to a great extent....