Compare bikes: Compare Specialized Amira Amira Comp UDi2 (2017) vs. Specialized Tarmac Tarmac Comp (2017) - Findabike

Front: Shimano Ultegra Di2 6870, 11-speed, braze-on - Rear: Shimano Ultegra Di2, 6870, 11-speed

Front: Shimano Ultegra 6800, 11-speed, braze-on - Rear: Shimano Ultegra 6800, 11-speed

Shimano Ultegra Di2, 6870, 11-speed

Shimano Ultegra 6800, 11-speed

Shimano 105 5800 11-speed, 11-28t

Shimano 105 5800, 11-speed, 11-28t

FACT carbon, full monocoque

S-Works FACT carbon, full monocoque, size-specific taper

FACT 9r carbon, women's carbon layup & competitive geometry, tapered head tube, OSBB, internal routing, 130mm spacing

FACT 10r carbon, threaded BB, full internal cable routing, internally integrated seat clamp, 130mm rear spacing

Front: Turbo Pro, 700x23mm, 127TPI, folding bead, BlackBelt protection - Rear: Turbo Pro, 700x23mm, 127TPI, folding bead, BlackBelt protection

Front: S-Works Turbo, 700x24mm, 220TPI, folding bead, BlackBelt protection - Rear: S-Works Turbo, 700x24mm, 220TPI, folding bead, BlackBelt protection

Specialized Women's Comp Shallow Drop, alloy, 123mm drop, 75mm reach

Specialized Shallow Drop Comp, 6061 double-butted alloy, 125mm drop, 70mm reach, 31.8mm

Body Geometry Oura Comp, hollow Cr-Mo rails, 155mm

Toupé Comp Gel, Adaptive Edge design, hollow Cr-Mo rails, 143mm