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The HIAORS 428-17T 17mm front sprocket is a high-strength, heat-treated steel component designed for 50cc to 140cc dirt bikes and ATVs. Featuring a precision 17-tooth profile and 30mm mounting hole spacing, it ensures smooth chain engagement, reduced noise, and enhanced drivetrain durability. Compatible with popular models like TaoTao, Coolster, and Apollo, this sprocket delivers reliable power transmission and improved fuel efficiency for both off-road thrills and highway cruising.
| Customer Reviews | 4.4 out of 5 stars 1,261 Reviews |
B**L
Perfect fit easy to install
It’s perfect
T**N
Good product
Works as advertised.
K**N
Easy to install. Makes first gear relevant.
Definitely improves the bike’s performance. The 14 tooth front sprocket that came on the bike might’ve been useful for people who wanted to do wheelies, or start up a very steep incline with a passenger on the back, but I can’t think of anything else. I had to up shift into second gear at 6 miles/hour. Consequently, I never used it, even starting out from a stop up a fairly steep incline. I would just start out in second year. This larger sprocket makes first gear more useful. Also, the bike will go up to 35 mph (speedometer reading 45 mph) without coming close to red lining the tachometer. Yes, the speedometer on the Boom Vader 125 cc motorcycle reads 10 mph fast at 35 mph according to GPS (speedometer reads 45 mph).
O**Z
Tight fit but a must
This really improves speed i was at 40 mph and now 50 mph. It did fit a little loos the down side is it was bigger than i thought so i had to loose the chain a lot and take the engine cover off. I still really recomened it really improves. 4 out of 5 its a must
J**K
A nice product...
Item is of good quality and is a direct swap for the stock sprocket. Delivery was fast.
J**R
Motorcycle chain
Arrived earlier than expected & it was perfect!
R**S
Its decent
Worked
C**A
No fit
Does not fit listed bike.
S**S
It fit what was advertised
As I said it was what it said...
A**R
parfait, fit sur un apollo 110cc , gagné environ 20km/h
parfait, fit sur un apollo 110cc , gagné environ 20km/h. Mais tu dois acheter une nouvelle chaine. Que change la pigions arrière.
W**O
Es el correcto a la descripción
Muy bien todo
A**G
le queda a la bajaj ns125 con pequeña adaptacion.
se la puse a una ns125 tube que adelgasarla un poco con el esmeril pues es muy ancha y no podia poner el seguro, pase de 14 a 13 dientes, perdi 7 kilometros arriba pero tiene un manejar muy comodo ahora.
Trustpilot
2 months ago
3 weeks ago