Very Good Product, because it is brass one I expect more life of chain sprocket
BETTER THAN STOCK CHAIN SET. BUT AFTER FEW MONTHS CHAIN COLOR GONE BE FADED. CHAIN SET IS APPROX 12000 KMS.
First of all this product is not designed for RC 390 as the rear sprocket of RC 390 has 44 teeth whereas the Rolon chain set comes with a 45 teeth rear sprocket. The issue is, if you don't do a bit of research before buying the kit then you'll end up buying a thing which is not the right match for your RC 390 as you loose on the top speed side due to increased gear ratio or reduced speed ratio. Another problem is, LRL motors is selling this product as a generic one for both the bikes which isn't the right thing. At least they should specify the fact of difference in teeth count between both the bikes and then let buyers decide whether kit should be bought or not. Coming to usage point of view, I do not see any technical advantage of this kit over the factory one but there are no disadvantages also (both come with induction hardened sprockets which is okay). There are some minor differences like, the factory rear sprocket has around 2mm of counter bore provided for all the 6 nuts that are used to fix the sprocket to the wheel hub, those counter bore features are missing on Rolon's rear sprocket. Counter bore feature is used on various parts for their auto alignment and accuracy of assembly with the mating parts and this is very essential for high performance parts. Feedback to LRL motors and ROLON is very clear from my reviw and I insist to bike enthusiasts to do some online research then decide what they really want before buying the product right away, although there's nothing bad in the product.
Ride experience was the same as previous stock kit and it looks good on the bike