Send your kid out on the track with 40 years of BMX history backing them up. The2021SE Bikes Junior Ripperfeatures an aluminum frame withultra-stiff bi-oval downtube, rectangular rear stays and 3D-forged dropouts. Add in the lightweight 6066 aluminum Landing Gear forks, Promax Impact Mini stem, Alienation Ankle Biter rims and new Vee Tire Co Speed Booster tires, and you have one of the lightest and fastest mini race bikes on the track at only 16.5pounds (7.35kg)!
Key Features
- 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 and radial laced spokes on the front
- Weight – 16.2lbs / 7.35kg
- Gearing – 38/14 (54.29in)
SPECIFICATIONS
| COLOUR(S) |
Platinum Silver |
| 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 |
| TYRES |
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 |
| WEIGHT |
16.2 lbs / 7.35 kgs |
GEOMETRY
- TOP TUBE, ACTUAL 18.5″”
- SEAT TUBE, CENTER TO TOP 8.7″”
- SEAT TUBE ANGLE 70
- HEAD TUBE ANGLE 73
- CHAINSTAY LENGTH 13.9″”
- WHEELBASE 34.1″”
- BOTTOM BRACKET HEIGHT 11″”
- STANDOVER 21.8″”
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