taco eater :
Jacob Fulton from Minneapolis, MN United States
Its a weight. A boring but sometimes essential purchase depending on what motor you're putting it on! I put some blue loctite just to be safe - this thing coming off would be no joke!
Anyway, I threw this on my ZA50 alongside my new HPI because an HPI is what like 1/3 the weight of the stock flywheel? This weight serves to rebalance the weight a little bit on the ignition side of the crank and increase reliability AND as a benefit it also has a much more consistent idle - less chance of stalling and don't need to adjust the idle higher to compensate.
Performance wise, its still awesome. Revs up quick and very fast throttle response still. I didn't really notice a difference compared to my E50 with an HPI.
Stop reading and buy it!!
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2 taco eaters like this review
v nice
June 18, 2015
taco eater :
Will caldwell from san francisco, CA United States
yes the flywheel weight is rad. dumbs down the snappiness a bit, prolongs the life of your crank bearings and improves clutch stall without the use of crazy still springs.
basically if you plan on running an HPI on a daily driver or for long distance this is the best thing ever
Its a weight 
