Desert Online General Trading LLC
Dubai, United Arab Emirates
Desert Online General Trading LLC
Dubai, United Arab Emirates
⚡ Upgrade your ride, dominate the dirt! ⚡
The KAMIER Upgraded 25H Chain 13T Motor Sprocket is a precision-engineered replacement part designed for Razor MX and similar electric dirt bikes and scooters. Featuring a durable 13-tooth sprocket with a compact 29mm outer diameter, it fits 25H chains exclusively and comes with 5 master links for easy installation. Lightweight at 18g and compatible with multiple Razor models, this sprocket ensures smooth power delivery and reliable performance for young riders craving off-road thrills.
| Brand | KAMIER |
| Manufacturer | KAMIER |
| Country of Origin | USA |
| Model number | KA-CS-02 |
| Number of Memory Sticks | 1 |
| Item Weight | 18 g |
| Package Dimensions | 8.71 x 5.99 x 0.79 cm; 18 g |
| Item model number | KA-CS-02 |
| Are batteries included? | No |
S**U
The sprocket is great, no complaints, but the included links… not so much.
The sprocket has held up rather well, it’s hardened so wear has been minimal. The chain master links did not seem as good a quality as previous ones purchased from another vendor, tho. They’re a bit out of spec: a bit too wide and I know it claims #25H but I suspect it’s closer to #25 judging by how the first link pretzeled at nearly 40MPH and shot the chain out. Already broke a second one; luckily I kept one of the “old style” links in my roadside repair kit as a backup, but it’s now currently installed and I have the 3 left of these that I keep as “emergency” links along with extra chain to limp it home at like 10MPH, but for daily riding they’re not strong enough for high high torque applications. As long as you need the sprocket, that’s fine.
R**D
Gained a good amount of top speed
Not certain the total gains yet. I went from a 72 tooth rear sprocket to a 38 tooth. Gains a lot of top speed but lost a fair amount of torque. I had a 10 tooth up front on the motor. So my going larger on the front sproket with the 39 tooth rear. It was a bit of a dog. So I went back to the 72 tooth on the rear. Looking to go a little smaller than that. It’s super torquie with the 72. But 39 was way too small. It would go 40mph on 48v but needed half a mile to get there. With this sproket on the 72 tooth rear I think she’s goes about 30 32 with my 60lbs girl riding it. The front sproket change of just a couple teeth made just as big as a difference as loosing half the teeth in the rear. Front or motor sproket makes more of a difference in my opinion
K**.
Excellent Fit and Value
13T sprocket fits like a glove and is an excellent value as of this review. Looking forward to replacing an 11T and will update with further testing.
A**
It’s noisy and rough rolling backwards.
The media could not be loaded. It helped tune the controller/bike to not be as touchy. And it’s faster. It’s a must have I think, but I don’t like the rough reversing.
K**N
It didn’t fit
It didn’t fit
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