Description
SE Bikes Ripper JR 20″ BMX
Staying true to SE’s claim of “BMX Innovations,” the Ripper Jr is one of the stiffest, lightest and fastest junior-sized race bikes on the track. At only 16.2 pounds, this amazing bike features a lightweight 6066 aluminum frame with a bi-oval downtube, lightweight 6066 aluminum Landing Gear forks with aluminum steerer tube, Vee Speed Booster tires, a Promax Impact Mini stem and Alienation Ankle Biter rims.
Key Details:
- Lightweight 6066 aluminum frame built with floval top tube, bi-oval down tube and rectangular rear stays for maximum stiffness
- Lightweight 6066 aluminum Landing Gear forks with 6061 aluminum steerer tube
- Alloy SE Mini Wing bars
- Promax Impact Mini 6061-T6 aluminum CNC stem with hidden top cap for a clean look
- Stiff and lightweight 3-pc 155mm alloy cranks
- Vee Tire Co Speed Booster 1-1/8″ tires provide ultra-quick cornering and low rolling resistance
- Alienation Ankle Biter rims built with sealed cassette hubs with lightweight hollow axles with race skewer on the front
- 16.2 pounds
Specifications:
| Frame | Lightweight 6066 Aluminum Floval Tubing, Internally Machined Integrated Head Tube, Bi-Oval Down Tube, 68mm Wide BB, Rectangular Seat & Chainstays, 3D-Forged Dropouts |
| Fork | 6066 Alloy Landing Gear, Alloy Steerer Tube |
| Crankset | SE Racing 3-pc Alloy, 155mm, Euro-Sealed Bearing Bottom Bracket, 103mm Spindle Length, 38T Alloy Chainring |
| Pedals | Wellgo Alloy Caged, Cr-Mo Axle |
| Chain | KMC Z1 |
| Wheelset | Sealed Bearing Hollow Axle Alloy Hubs w/ Alienation Ankle Biter Double-Wall, 28H Rims, 14T Cassette, Stainless Spokes |
| Tires | Vee Tire Co Speed Booster 20″ x 1-1/8″ Front & Rear |
| Brakeset | Promax P-1 6061 T-6 Alloy V-Brake, Blue Pads, Slick Cable |
| Brake Levers | Promax SE-341, 2-Finger Alloy |
| Headset | Neco Sealed 1″ Integrated Headset |
| Handlebar | Alloy SE Mini Wing Bar, 21.5″ x 5″, 11° Backsweep, 5° Upsweep |
| Stem | Promax Impact Mini 1″, 6061-T6 Alloy, CNC Machined Hollowed Out Center, Lightweight External Cutouts, Hidden Top Cap, 40mm Reach |
| Grips | Junior Grips |
| Seat | SE Racing Mini w/ Integrated Alloy Post |
| Seatpost | Integrated Alloy, 22.2mm |
| Seat Clamp | Alloy, 25.4mm Inner Diameter |
| Accessories | SE Chain Tensioners |
| Wheel Size | 20″ |
Sizing & Geometry:
