All components
Stealth C Di2 ComponentsStealth C Di2
Component Type Specification
Frame Frame Spec Stealth Carbon Disc
Fork Spec Stealth Carbon Disc fork
Drivetrain Rear Derailleur Shimano Ultegra Di2 R8050 SS (Or GS for 11-32, 11-34 cassette)
Front Derailleur Shimano Ultegra Di2 R8050
Cassette (all options) Shimano Ultegra R8000 11-30 (11-32, 11-34 optional)
Crank Shimano Ultegra R8000
Power Meter (optional) Stages L or L/R Power Meter
Bottom Bracket Shimano Pressfit BB86
Chain Shimano CN-701 11s
Brakes Shift-/Brake Lever (Left) Shimano Ultegra Di2 Hydro Disc R8070 2s
Shift-/Brake Lever (Right) Shimano Ultegra Di2 Hydro Disc R8070 11s
Brake Rotor Shimano RT800 (or RT81 depending on Shimano availability)
Wheels Front Wheel Spec C55 Full carbon 55mm x 25mm wide U Profile (C40 optional)
Rear Wheel Spec C55 Full carbon 55mm x 25mm wide U Profile (C40 optional)
Tire Continental Grand Prix 5000 25mm (28mm optional)
Thru Axle Front Spec Thru Axle 12x100mm Aluminum
Thru Axle Rear Spec Thru Axle 12x142mm Aluminum
Cockpit Handlebar (all options) Shimano Pro Vibe (Alloy) Bar/Stem
Shimano Pro Vibe Aero (Carbon) Bar/Stem
Shimano Pro Vibe Stealth Integrated (Carbon)
Spec Integrated (Carbon)
Seat Saddle (all options) Fizik R3 Versus Evo (Aliante, Anteres, Arione) 220g
San Marco Superleggera Carbon (115g)
Seatpost Spec Stealth Carbon D-compliant
Accessories Pedals (optional) Shimano Ultegra PD-R8000
Taillight (optional) Spec integrated Taillight
Contents Torque Wrench, Bit Set, Carbon Assembly Paste
Bottle Cages (optional) Shimano Pro Carbon (24g)
Shimano Pro Alloy
(42g)
Bike Computer (optional) Stages Dash M50 GPS Cycling computer
Computer Mount (optional) K-Edge Mount options (Garmin/Wahoo)
Stages Dash Mount options
Stealth R Di2 ComponentsStealth R Di2
Component Type Specification
Frame Frame Spec Stealth Carbon Disc
Fork Spec Stealth Carbon Disc fork
Drivetrain Rear Derailleur Shimano Dura-Ace Di2 R9150 SS
Front Derailleur Shimano Dura-Ace Di2 R9150
Cassette (all options) Shimano Dura-Ace R9100 11-30 11s
Crank Shimano Dura-Ace R9100
Power Meter (optional) Stages L or L/R Power Meter
Bottom Bracket Shimano Pressfit BB86
Chain Shimano CN-HG901 11s
Brakes Shift-/Brake Lever (Left) Shimano Dura-Ace Hydro Disc Di2 R9170 2s
Shift-/Brake Lever (Right) Shimano Dura-Ace Hydro Disc Di2 R9170 11s
Brake Rotor Shimano RT900
Wheels Front Wheel Spec C55 Full carbon 55mm x 25mm wide U Profile (C40 optional)
Rear Wheel Spec C55 Full carbon 55mm x 25mm wide U Profile (C40 optional)
Tire Continental Grand Prix 5000 25mm (28mm optional)
Thru Axle Front Spec Thru Axle 12x100mm Aluminum
Thru Axle Rear Spec Thru Axle 12x142mm Aluminum
Cockpit Handlebar (all options) Shimano Pro Vibe (Alloy) Bar/Stem
Shimano Pro Vibe Aero (Carbon) Bar/Stem
Shimano Pro Vibe Stealth Integrated (Carbon)
Spec Integrated (Carbon)
Seat Saddle (all options) Fizik R3 Versus Evo (Aliante, Anteres, Arione) 220g
San Marco Superleggera Carbon (115g)
Seatpost Spec Stealth Carbon D-compliant
Accessories Pedals (optional) Shimano Ultegra PD-R9100
Taillight (optional) Spec integrated Taillight
Contents Torque Wrench, Bit Set, Carbon Assembly Paste
Bottle Cages (optional) Shimano Pro Carbon (24g)
Shimano Pro Alloy
(42g)
Bike Computer (optional) Stages Dash M50 GPS Cycling computer
Computer Mount (optional) K-Edge Mount options (Garmin/Wahoo)
Stages Dash Mount options
Perfect Fit
Use our charts below to get a feel for the size Stealth you belong on. If you are very familiar with your preferred bike size and geometry, you may not need to look further. We consult with every client when necessary to get them on the perfect frame size, and build their Spec to the geometry and fit that meets their needs.
Stealth Disc Frame Sizing
Frame Sizing by height and flexibility
Height (Inches) Low Flexibility Average Flexibility High Flexibility
5'4" XS (50cm) XS (50cm) XS (50cm)
5'5" XS XS XS
5'6" S (52cm) XS XS
5'7" S S (52cm) XS
5'8" M (54cm) S S (52cm)
5'9" M M (54cm) S
5'10" M M M (54cm)
5'11" L (56cm) M M
6' L L (56cm) M
6'1" XL (58cm) L L (56cm)
6'2" XL XL (58cm) L
6'3" - XL XL (58cm)
6'4" - - XL
6'5" - - XL
Frame Geometry
Use our charts below to get a feel for the size Stealth you belong on. If you are very familiar with your preferred bike size and geometry, you may not need to look further. We consult with every client when necessary to get them on the perfect frame size, and build their Spec to the geometry and fit that meets their needs.
Stealth (S, C, R) Frame Geometry
XS (50cm) S (52cm) M (54cm) L (56cm) XL (58cm)
A Seat tube length (mm) 470 490 510 530 550
B Effective top tube Horizontal (mm) 520 533 547 555 565
C Bottom bracket offset (mm) -67 -67 -67 -67 -67
D Chainstay length (mm) 406 406 406 406 406
E Seat tube angle (deg) 74.5° 73.9° 73.5° 73.25° 73°
F Head tube angle (deg) 71° 71.75° 72.5° 73° 73.25°
G Front center (mm) 583 584 587 588 593
H Head tube length (mm) 116 127 138 149 160
I Fork offset (mm) 45 45 45 45 45
J Reach (mm) 379 382 387 389 393
Stealth Disc
The Stealth Disc is our answer to the disc revolution, taking Spec to new levels of road performance. This model includes features such as our vibration dampening Elastomeric battery Insert (Di2 models only), and an updated more compliant seat stay and seat-post design to make the ride aero, yet more comfortable than ever. An over-sized ultra-stiff PressFit bottom bracket allows the Premium Shimano cranksets offered to put the watts to the rear wheel efficiently and smoothly. If you enjoy the benefits of riding with a power meter, then spec out one of our factory installed Stages power meters to finish off the build. (full custom builds available upon request/consultation)
The Stealth is a leader in terms of price and all out performance. We use the exact same groupsets and technology of bikes nearly double the price, and while there are many great bikes and companies in this industry, we feel nobody can touch our personalized service, quality and value…not even close. With race ready full carbon C55 wheels (DT swiss builds available), hydraulic disc brakes, and personalized Bike Fit consultation (by request), a Spec Bicycle will without a doubt help you Find New Limits.
- Hydraulic Disc Brakes
- Aero Carbon (SP-27 – 1070 grams) aero frameset
- Spec Aero integrated cockpit (traditional bar/stem combo optional)
- Shimano Dura Ace, Ultegra and 105 Hydraulic disc full builds available
- Optional factory installed power meter crankset (Stages & Xcadey Available)
- C55 (c40 optional) Wide deep section full-carbon wheelset with modern aero U-profile
- 15.5 lbs (Stealth R) 16.8 lbs (Stealth C) 18lbs (Stealth S) total weight (Medium framesize – weight varies based on component selection)
- Synchro Shift capability (more info)
- Many saddle options including the full Fizik Versus Evo family to fit all different back sides. (GET FIT)
- Crash Protection and Spec warranty
Jens Holstein –
This bike is all you could wish for. At high performance level, it handles like a charm. Very responsive, especially on down hills, you feel you leave nothing to chance. Design is functional for performance and beautiful for the eye.