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dirt bike Drive
Displaying parts for your 1977 YAMAHA YZ125
Dirt Bike Sprockets, Chains, Chain Guides, and More
We carry a huge selection of off road sprockets and chains. Powersport sprockets and chains from Primary Drive, Supersprox and Renthal for motocross and serious trail riding. Great prices on the best x-ring chains, o-ring chains and standard chains from primary drive, RK, D.I.D and more.
Latest Drive Reviews – You could win up to $500 for reviewing products!
Acerbis Chain Guide
Jason in ID
Simple, but probably necessary fix.
Installation was a bit "fiddley", but not bad. Fit was perfect. Time will tell if it holds up.
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Acerbis Chain Slider
Ky in BC
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I bought it just for the colour but still a good product the only part I didn't like was that the easiest way to put it on was to pull the sprocket off
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All Balls Chain Roller
Daniel in LA
Long lasting quality
This is my third one in 17 years of hard use. Not sure when the factory one failed and I replaced it with this but I just replaced it a second time. Almost 24,000 miles with a fair amount of off-road mixed in. These things are bulletproof!
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Primary Drive 520 ORH Gold X-Ring Chain
GEOFFREY in CA
Great set
Great product at a great price! So far Im very satisfied with the look and functionality!
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Primary Drive 520 ORH X-Ring Chain
Jeremie in CO
Good budget chain for longer milage between changes
Great budget Chain. Worked way longer than stock chain. Seems to last longer on 2T than a 4T when it comes to chain stretch and durability.
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Primary Drive Front Sprocket
JACOB in FL
Good Sprocket For The Price
Great sprocket for the price. Holds up well in wet sandy muddy conditions.
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