The picture is only for reference

AER RB Super light TE U-21 Blue Silver features the new ULTEGRA R8000 series that is “pro-proven” as it is a direct trickle down from DURA-ACE groupset. As road bike component, the stress-free operation is one of the most important feature to lead all day riding comfort with braking and shifting.


  • Specifications
    Frame AER Carbon Frame, Hub size: 9×130/100 QR, BSA BB, Tires Up to 622/28, Fully Integrated Cables
    Color Blue/Polish Silver
    Size 28″: S-480, M-520, L-560, XL-600
    Fork AER Carbon Monocoque
    Headset COX IS42/28.6|IS52/40
    Crankset Shimano Ultegra R8000, 50-34T
    Bottom Bracket Shimano BB-RS500 BSA 68/73 mm
    Shifters Shimano Ultegra ST-R8020, 2×11 Speed
    Front derailleur Shimano Ultegra R8000, braze-on
    Rear derailleur Shimano Ultegra R8000, SS, 11-speed
    Cassette Shimano 105 R7000, 11-28T, 11-speed
    Chain Shimano CN-HG601 11-speed
    Handlebar COX Speed, 135 mm drop, 105 mm reach, 31.8 mm clamp
    Stem COX Speed SE, 31.8 mm clamp
    Bar Tape COX Rhombo Gel 2.5 mm, black
    Brakes Shimano Ultegra R8000, dual-pivot
    Saddle COX Storm
    Seat Post COX Speed 3E, 27.2 mm, 16 mm offset
    Seat post clamp COX Speed, Forged Alloy, Single Bolt, 31.8 mm
    Wheels COX Circle 27, hubs w/ sealed bearings, 24/28H
    Tires Schwalbe Lugano II, K-Guard, 25-622
  • Geometry / Sizes
    Size 600560520480
    Seat Tube Length (ST) 600mm 560mm 520mm 480mm
    Top Tube Length (TT), X 590mm 559.6mm 535mm 515mm
    Top Tube Length (TT), Actual 574.4mm 547.2mm 522.9mm 500.1mm
    Bottom Bracket Height 69mm 69mm 69mm 72mm
    Chainstay Length (CS) 318mm 318mm 318mm 318mm
    Seat Tube Angle (STA) 72.5 73.5 74 74.5
    Head Tube Angle (HTA) 73.5 73 72.5 71.5
    Wheel Base (WB) 995.1mm 990mm 974.6mm 966.3mm
    Head Tube Length (HT) 195mm 155mm 120mm 110mm
    Stack (S) 598mm 557.6mm 522.5mm 512.9mm
    Reach (R) 401.5mm 394.5mm 385.2mm 372.8mm
  • Technology