Ripper Jr

Staying true to SE’s claim of “BMX Innovations,” the Ripper Jr is the stiffest, lightest and fastest Ripper Jr ever. At only 15.5 lbs, this amazing bike features a lightweight 6066 aluminum frame with a bi-oval downtube, lightweight 6066 aluminum Landing Gear forks with aluminum steerer tube, Tioga Power Block tires, a Promax Impact Mini stem and Alienation Ankle Biter rims.

  • 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
  • Tioga PowerBlock 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
  • Includes SE race plate
  • 15.5 lbs

COLOR(S)High Polish Silver
FRAMELightweight 6066 Aluminum Floval Tubing, Internally Machined Integrated Head Tube, Bi-Oval Down Tube, Rectangular Seat & Chainstays, 3D-Forged Dropouts
FORK6066 Alloy Landing Gear, Alloy Steerer Tube
CRANKSET3-pc Alloy, 155mm, Euro-Sealed Bearing Bottom Bracket, 38T Alloy Chainring
PEDALSWellgo Alloy Caged, Cr-Mo Axle
CHAINKMC Z33
WHEELSETSealed Bearing Hollow Axle Alloy Hubs w/ Alienation Ankle Biter Double-Wall, 28H Rims, 14T Cassette, Stainless Spokes
TIRESTioga PowerBlock 20" x 1-1/8" Front & Rear
BRAKESETPromax P-1 6061 T-6 Alloy V-Brake, Blue Pads, Slick Cable
BRAKE LEVERSPromax SE-341, 2-Finger Alloy
HEADSETTange IS22 Sealed 1" Integrated Headset
HANDLEBARAlloy SE Mini Wing Bar, 21.5" x 5"
STEMPromax Impact Mini 1", 6061-T6 Alloy, CNC Machined Hollowed Out Center, Lightweight External Cutouts, Hidden Top Cap, 40mm Reach
GRIPSJunior Grips
SEATSE Racing Mini w/ Integrated Alloy Post
SEATPOSTIntegrated Alloy, 22.2mm
ACCESSORIESSE Chain Tensioners, SE Racing Number Plate
WEIGHT15.5 lbs / 7.05 kgs
*Spec subject to change without notice
TOP TUBE, ACTUAL 18.5"
SEAT TUBE, CENTER TO TOP8.7"
SEAT TUBE ANGLE 70°
HEAD TUBE ANGLE 73°
CHAINSTAY LENGTH13.9"
WHEELBASE34.1"
BOTTOM BRACKET HEIGHT 11"
STANDOVER21.8"
SUGGESTED RIDER SIZE 4'3"- 4'10" (130cm-148cm)
STEM40mm
HANDLEBAR WIDTH21.5"
CRANK155mm
WHEEL SIZE20"
SEAT POST DIAMETER22.2mm
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