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Renthal's chainwheels are precision CNC machined to extremely tight tolerances to give the ultimate combination of strength and light weight. Front Sprocket Features -Made from specially developed Nickel-Chrome-Molybdenum steel -Case hardened core refined to give the ultimate combination of strength and hardness Rear Sprocket Features -Made from 7075 T6 aluminum alloy -66% lighter than steel, yet incredibly durable -Advanced tooth profile, concentricity and accuracy of fit give maximum power transfer and long-life -High strength base material and hardwearing surface significantly increase chainwheel life
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(1 of 1 customers found this review helpful)
Great sprockets!
By SanDiegoSandLizard619
from San Diego, CA
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I put this sprocket set up on my 2008 KX450F in OCT and must say it is great! I was skeptical about the aluminum sprockets on a 450 but they hold up really well. I went on a 250 mile baja ride on a brand new chain and sprocket set up from Renthal and when i was done there was close to no wear on the sprockets. The set up felt really solid and smooth operating on the machine. I would definately buy another set of Renthal sprockets when these are done. still look great to this date!
renthal front/rear sprocket
By Dean
from Australia
I purchased both the front and rear sprockets for my CR250, it said in the description it was made of a moly-steel, i did recieve a moly-steel DRIVE sprocket however the rear was an alloy, however I was impressed with the finish and fit, time will be the true test.
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