2021 QuietKat Ripper 15" Fat Tire Electric Mountain Bike

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Perfect Off-Road Fat Tire Ebike for Short Riders

I'm only 4'9" so finding a high quality off-road fat tire bike has been a challenge. Most of them are built for kids, but I wanted a proper electric fat tire bike but with small dimensions. The Ripper has worked out perfectly for me.

Emily J.
Mexico Mexico
Really Good Ebikes

Thank you Emily. It's appreciated.

15" Frame for Riders 5'-0"

20" x 4" Juggernaut Fat Tires

5-Levels Pedal Assist

Class 2 Thumb Throttle

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QuietKat Ripper Description

The Ripper is a young rider, the future protector of our wild lands, mountains and forests. The Ripper is anxious to learn and eager for the challenges ahead.

The all-new QuietKat Ripper has been designed with the youth in mind. Featuring the same quality as the larger QuietKat bikes, the Ripper is a hybrid mix of BMX and Fat Tire designs, for the young rider who is ready to explore the outdoors. Sized specifically for riders under 5’6” tall, the Ripper is the real deal in a smaller package.


quietkat ripper


The Ripper features QuietKat’s performance build kit, including adjustable coil-suspension, Mechanical disc brakes with automatic motor inhibitors, and a single-speed drivetrain.

The 500W rear hub-drive motor provides direct power to the rear wheel, independent of the chain. The result is consistent power in all gears. 

QuietKat Ripper Specifications

  • Motor: 500W Bafang Rear Hub Motor
  • Battery / Range: 10.4ah/48V, 18-35 miles
  • Drive Modes: 5-Level Pedal Assist System (PAS) and Class 2 Thumb Throttle
  • Gears: Single Speed
  • Brakes: Tektro Mechanical Disc w/ Automatic Motor Cutoffs
  • Suspension: Mozo Coil Suspension Fork
  • Tires: Kenda Juggernaut 20” x 4”
  • Weight: 54 Lbs.
  • Load Capacity: 300 Lbs.
  • Color: Charcoal, QK Camo
  • Sizes: 15″

QuietKat 2021 Ebike Owners Manual


  • Orders for in-stock items take 24-48 hours to process, then about 5-7 days in transit. Delays due to Covid have occurred. If an item is on backorder, the estimated ship date will be shown below the Pre-Order Button.
  • All products are shipped free within the Contiguous US via UPS, FedEx or similar carrier. Shipping to AK, HI and PR may incur additional charges.
  • If your package appears damaged from shipping, please do not accept it. Tell the driver to keep the package and contact us immediately at 888-883-3350. We offer Route Package Protection to ensure against lost, stolen or damaged goods. Click here to learn more about Route.
  • Returns for buyer’s remorse are typically not accepted by our suppliers, and if accepted, the customer may incur shipping and restocking fees.
  • Please click here to read our entire Shipping & Returns Policy.


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