Celerra DB

Currently not available

Celerra Disk Pro Ultegra Di2 R8100. When developing the Ultegra R8100 series, Shimano took a holistic and 100 % performance-oriented approach, because great speed means great responsibility. Faster than ever before, the 12-speed road groupset scores with unparalleled control and comfort anytime and anywhere – whether in an everyman race, on the hunt for a personal best time or on a companionable ride.

The new Celerra Gen. 2 is stiff, light and fine-tuned to reduce vibration and dramatically improves aerodynamic performance so you can ride faster with less effort. Engineered for performance with aggressive race geometry, the new Celerra is on the next level with a fully integrated, one-piece bar & stem combo.

The revolutionary Di2 shifting system solves the challenges drivetrains present to the power-delivery equation in cycling. Di2 gives you instant, accurate, lighting-fast shifts the first and every time, at the push of a button. Even in the most extreme conditions, shifting is precise and controlled. You can change gear even under heavy load while climbing or accelerating. With Di2, you are in complete control.


  • Detail gallery
  • Specifications
    Frame Aero Carbon Frame, Hub size: 9×130/100 QR, Bottom Bracket: PF86, Tires Up to 622/28, Fully Integrated Cables
    Color Dark Blue/Neon Red
    Size 28″: XXS-450mm, XS-470mm, S-500mm, M-530mm, L-560mm, XL-590mm
    Fork Celerra, Ultra Lite, UD Carbon
    Headset FSA NO. 55R IS42/28.6 lIS52/40
    Crankset Shimano Ultegra R8100, 52-36T
    Bottom Bracket Shimano BB PF86
    Shifters Shimano Ultegra Di2 R8150, 2×12
    Front derailleur Shimano Ultegra Di2 R8150, brazed-on
    Rear derailleur Shimano Ultegra Di2 R8150, 12-speed
    Cassette Shimano Ultegra R8100 11/30T, 12-speed
    Chain Shimano XT M8100, 12-speed
    Handlebar DRAG, UD carbon
    Stem DRAG, UD carbon, integrated
    Bar Tape COX Rhombo Gel 2.5 mm, black
    Brakes Shimano Ultegra R8170, hydraulic disc, flat mount
    Rotors Shimano RT800 160/140 mm, center lock
    Saddle Fizik Antares R7
    Seat Post DRAG, Integrated, Aero
    Seat post clamp DRAG Build In
    Wheels COX Drome 40, Clincher, UD Carbon, Tubeless Ready
    Tires Schwalbe One, Race Guard, 28-622
  • Geometry / Sizes
    Seat Tube Length (ST) 458 483 508 531 558 583
    Top Tube Length (TT), X 510 530 550 565 575 595
    Top Tube Length (TT), Actual
    Bottom Bracket Drop (BD) 68 68 68 68 68 68
    Bottom Bracket Height
    Chainstay Length (CS) 410 410 410 410 410 410
    Seat Tube Angle (STA) 73° 73° 73° 73° 73° 73°
    Head Tube Angle (HTA) 70° 71.2° 72.8° 73.3° 73.3° 73.3°
    Wheel Base (WB) 970.9 981.4 980.3 990.7 1000.6 1020.5
    Standover Height
    Head Tube Length (HT) 85 100 115 130 155 170
    Stack (S) 482.2 500.6 522.4 538.4 562.3 576.7
    Reach (R) 362.6 377 390.3 400.4 403.1 418.7
    Handlebar Width
    Stem Length
    Crank Length
  • Technology