A munchkin version of the popular men's Attitude bike, the 20 in. Tiger Shark is an easy-to-ride and super cool bike for kids.
Wheel Size
20 inches
Number of Gears
1 gear(s)
- Durable aluminum frame
- 20 x 2.1 in. Retrorunner tires
- Single-speed with coaster brake
- Custom grips, saddle and ringer bell
- Integrated kickstand
- NOTE: Specs and images are subject to change based on component availability
Imported.
This bike comes with Coast to Coast Support, which includes:
New bikes go through a normal break-in period, after which they should be readjusted. All bicycles sold at REI include free adjustments for one year after purchase date—as many times as you need. Included: derailleur and brake adjustments, lateral wheel truing, hub and headset bearing adjustments, tire inflation and chain lubrication. Not included: replacement or installation of new components or accessories, any other services. Call your local REI Co-op Bike Shop for more information.
View all Electra- 1 year of free adjustments (see more below)
- In-store bike assembly
- Pickup in store or curbside
- Bike experts available at 170+ bike shops
- 20% off shop services
- Free tubes with purchase of flat tire repair (Co-op Cycles brand tubes only; tube must be installed at time of purchase)
New bikes go through a normal break-in period, after which they should be readjusted. All bicycles sold at REI include free adjustments for one year after purchase date—as many times as you need. Included: derailleur and brake adjustments, lateral wheel truing, hub and headset bearing adjustments, tire inflation and chain lubrication. Not included: replacement or installation of new components or accessories, any other services. Call your local REI Co-op Bike Shop for more information.
| Best Use | Recreational Cycling |
|---|---|
| Frame | 6061-T6 aluminum |
| Bike Suspension | No Suspension |
| Fork | High-tensile steel |
| Crankset | Classic steel, 40t |
| Bottom Bracket | Loose ball |
| Rear Cogs | 18t |
| Number of Gears | 1 gear(s) |
| Brake Type | Coaster |
| Brakes | Alloy caliper front, coaster brake rear |
| Brake Levers | Adjustable-reach alloy levers |
| Rims | Alloy, 36h |
| Front Hub | Alloy, 36 |
| Rear Hub | Alloy, 36 |
| Wheel Size | 20 inches |
| Tires | Electra Retro Runner, 20 x 2.125 |
| Tire Width | 2.125 inches |
| Handlebar Shape | Moustache Bar |
| Handlebar | Electra Kids Bullhorn |
| Stem | Forged alloy quill |
| Seat Post | Classic alloy pillar |
| Saddle | Electra Kids w/double springs |
| Pedals | Resin platform w/non-slip tread |
| Headset | 1 in. steel threaded |
| Chain | KMC 410 |
| Weight | 28 pounds |
| Bike Weight | Bike weight is based on median size, as sold, or the average of two median sizes. |
| Gender | Boys' |
Electra Bikes
| One Size | |
|---|---|
| Height Range | 5'2" - 6'1" |
| Reach | 38.7 |
| Stack | 54.9 |
| Seat Tube Center-Top | 44.4 |
| Standover Height | 55.1 |
| Head Tube Length | 15.1 |
| Head Tube Angle (degrees) | 67.0 |
| Seat Tube Angle (degrees) | 67.0 |
| Wheelbase | 117.3 |
Sizing Notes
Measurements are stated in centimeters unless otherwise indicated.
How we measure bikes
- Standover Height Standover Height is a measurement from the ground to the top of the top tube, measured at the midpoint of the top tube.
- Reach Reach is the horizontal distance from the center of the cranks to the center of the head tube, measured at head tube level.
- Stack Stack is the vertical distance from the center of the cranks to the center of the head tube, measured to the top of the head tube.
- Effective Top Tube Effective top tube is the distance from the center of the head tube to the center of the seat tube/seat post, measured parallel to the ground.
- Seat Tube Center to Top Seat Tube length is the measurement of the seat tube, from the center of the cranks to the top of the seat tube.
- Head Tube Length Head Tube Length is measured from the bottom to the top of the head tube.
- Head Tube Angle Head Tube Angle is the acute angle between the head tube and the ground (measured towards the rear of the bike)
- Seat Tube Angle Seat Tube Angle is the acute angle between the seat tube and the ground (measured towards the rear of the bike).
- Bottom Bracket Height Bottom Bracket Height is a measurement taken vertically from the ground up to the center of the cranks.
- Wheelbase Wheelbase is the measurement from the center of the front axle to the center of the rear axle.
- Chainstay Length Chainstay Length is the measurement from the center of the cranks to the center of the rear axle.
- Fork Offset Fork Offset, or rake, is the distance from the front axle to a line drawn parallel to the center of the head tube or steering axis.