⚡ Shift into the future of trail mastery with DRIFT MANIAC!
The DRIFT MANIAC E-Bike Freewheel offers a high-performance 7-speed drivetrain with a precise 11-28 tooth range, weighing only 485 grams. Engineered for expert mountain bikers, it fits standard B1.37’’×24tpi hubs and supports quick maintenance with a 12-spline DNP removal tool. Perfect for electric mountain bikes demanding durability and smooth gear transitions on challenging trails.
Bike Type | Mountain Bike |
Age Range (Description) | Adult |
Brand | DRIFT MANIAC |
Number of Speeds | 7 |
Color | 11-28t-7spd |
Frame Material | 钢 |
Suspension Type | Rear |
Special Feature | Electric |
Included Components | Pump |
Brake Style | Disc |
Specific Uses For Product | Trail |
Item Weight | 485 Grams |
Model Name | 7S |
Power Source | Rechargeable Battery |
Wheel Material | Aluminum |
Warranty Type | Limited (Components), Lifetime (Frame) |
Assembly Required | Yes |
Bicycle Gear Shifter Type | Trigger |
Skill Level | Expert |
UPC | 680306323173 |
Bicycle Drivetrain Type | Derailleur |
Electric Assist Type | Electric |
Manufacturer | DNP |
Frame Size | small |
Item Package Dimensions L x W x H | 7.05 x 5.98 x 2.28 inches |
Package Weight | 0.62 Kilograms |
Brand Name | DRIFT MANIAC |
Country of Origin | China |
Part Number | 7S-11-28 |
Sport Type | Cycling |
T**9
Great replacement for a 14t freewheel.
Worked perfectly to increase the ratio of my ebike to allow pedaling to to 25 mph (old freewheel had 14 teeth and this one has 11). This fit perfectly on my Ariel D-class bafang motor. The climbing gear is low enough to actually be able to pedal this 75 pound bike a reasonable distance. Just be sure your rear derailleur can handle the larger cog. I don't know about durability but we will see. Doesn't seem to be made of as hard a metal as Shimano components but the chrome plating looks pretty good and I suppose time will tell. Shifting is also very good with the Acera rear derailleur. Note you will need a freewheel removal tool, NOT a cassette removal tool. The ~$8 Park tool works great. Tip- remember when you put the park tool onto the old freewheel if it is really tight you may need to put on the axle nut to hold the tool tightly against the freewheel to ensure you don't damage the splines remember to loosen the axle nut as soon as you break the freewheel loose because the freewheel will not unscrew if the axle nut is left in place.
M**.
Works with Lectric Step Thru 2.0
Got the 11-34t. Well made. Impressive features on the 34t sprocket to aid the chain to climb up this big gear. Installed on my Lectric ST 2.0 manufactured May 2021. Used Park Tool to remove old 14-28t. Chain has 118t and is plenty long enough to work with the derailleur. Needed to adjust the derailleur but that was easy to do using a Park Tool instructional video. Now I can pedal and apply torque at 20mph. Also like the 34t for takeoff and climbing. There is also improved spacing of mid-range gears.
T**F
Excellent gear range for a hub motor e-bike (11-32)
I read thru many reviews looking for an equivalent FW. Some had noted that the high 11 tooth sprocket is too fragile and if it breaks, the FW is unusable. This is partially correct, but the fragility is especially true if the higher gears are used to start or propel the bike a lower speeds. 11,12,and 13 tooth high gears are really for lighter bikes with riders who know how to use their gears and have developed a higher cadence for those gears. Riders who stay in these high gears tend to wear out the drive train components and their knees.E-bikes are heavier and initially faster then regular bikes. The lower gears of this FW are helpful to assist the motor in climbing or to ride the bike without battery power. The mid gears are good training for legs to practice higher cadence, get exercise and assist the motor; the higher gears allow you to keep up with the motor at higher speeds like from 18-30 mph and not ghost pedal. At 30 mph, I am able to use the 6th gear (13 th) as i have gotten my cadence up with practice.I live in a hilly area, and use & need the full range of my gears on alm ost every rdieWith the above in mind this FW properly used is excellent for an e bike, especially for general daily riding.
T**Y
Pretty good, but not great
What more could you expect for $32? For me this lasted just over a year with about 1400 miles on it through a BBSHD running 1700watts, I rode this thing hard and was pretty horrible about chain maintenance so when I checked my chain for wear, I noticed the cogs were pretty worn down too. I live in a very sandy environment so keeping my chain clean is next to impossible. All in all I am very happy with it, just ordered my second one. I love the extra large 34T cog, I can climb almost any hill with it. Maybe I’ll take better care of this one….no promises though.
P**.
Must have for ebike
I bought it to replace the standart Shimano freewheel on my ebike. It makes the great difference with 60T chainring! Now I can easily maintain 25 mph. Easy installation but I had to replace the chain and derailleur as well for that size.
P**R
Electric bike
Seems to work very well I got more pedal than I wasn't running out of pedal at higher speeds
C**P
Not a quality product.
This freewheel does shift nicely, and, I really like the idea of an 11 tooth high gear. But that's the only good things I can say about it. The metal is noticeably thinner than Shimano freewheels. Apparently the gear teeth are too shallow to stay engaged as the chain slips all the time in high gear. I returned it.
R**Y
Exactly what my ebike needed
So I recently purchased a Radexpand 5 folding ebike. Great bike BTW but the gear ratio was horrible. At its top speed of 20 mph you could not peddle fast enough to keep up with it. I also have two Radminis which the peddle ratio was perfect for the size bike. I decided after some research on both of the bikes specs to order this for my Radexpand. Exactly what I needed. It now peddles exactly like the Radmini does. At top speed I can peddle and the gear ratio is much better, I can keep up with the speed of the bike much easier. It did require some derailleur adjustment but that was easy. I took my wheel into a local bike shop and they changed it out for me in like 5 mins for a few bucks. Well worth the money for sure and with the larger gear for easy uphill peddling makes my Ebike much more exciting to ride.
Trustpilot
2 weeks ago
1 month ago