VelopediaBicycle Archive · Specification report

2018 Specialized Tarmac Comp Disc

Velopedia Archive ID 900003405

Overview

Model year2018
BrandSpecialized
ModelTarmac Comp Disc
Bicycle typeRoad
Archive ID900003405
Original MSRP$3,000.00
ColorsRocket Red/Tarmac Black/Satin Black Clean
Sizes49; 52; 54; 56; 58; 61

Frameset

Frame constructionSpecialized FACT 10r carbon, threaded BB, full internal cable routing, internally integrated seat clamp, 135mm rear spacing, post disc mount
Frame materialCarbon Fiber
ForkSpecialized FACT carbon, full monocoque
Fork materialCarbon Fiber

Drivetrain

ShiftersShimano Ultegra Disc 8020, 11-speed
Front derailleurShimano Ultegra 8000, braze-on
Rear derailleurShimano Ultegra 8000, 11-speed
CranksetShimano Ultegra R8000; chainrings: 52/36T
Bottom bracketShimano Ultegra
CassetteShimano 105, 11-speed, 11-28t
ChainKMC X11EL, 11-speed w/ Missing Link™
PedalsNylon, 105x78x28mm, loose balls w/ reflectors

Brakes

Brakes(F) Shimano RS785, hydraulic disc / (R) Shimano RS785, hydraulic disc

Cockpit & contact points

HandlebarSpecialized Shallow Drop, 6061, 70x125mm, 31.8mm clamp
StemSpecialized, 3D forged alloy, 4-bolt, 7-degree rise
SaddleToupe Comp Gel, 143mm, hollow Cr-Mo, Adaptive Edge
SeatpostSpecialized Comp carbon, single bolt

Wheels & tires

Wheels(F) DT R470 Disc, sealed cartridge hubs, 14g spokes, 24h / (R) DT R470 Disc, sealed cartridge hubs, 14g spokes, 24h
Front tireS-Works Turbo, 120 TPI, folding bead, BlackBelt protection, 700x24mm
Rear tireS-Works Turbo, 120 TPI, folding bead, BlackBelt protection, 700x24mm

Geometry · 49

Seat tube431 mm
Effective top tube518 mm
Head tube100 mm
Head-tube angle72.25°
Seat-tube angle75.5°
Chainstay / rear center405 mm
Wheelbase970 mm
Bottom-bracket drop71.5 mm
Bottom-bracket height270 mm
Reach386 mm
Stack504 mm
Standover height730 mm
Fork offset / rake45 mm
Front center576 mm
Trail62 mm
Fork length / axle-to-crown368 mm
Seatpost length350 mm
Crank length170 mm
Stem length70 mm
Handlebar width400 mm

Geometry · 52

Seat tube462 mm
Effective top tube537 mm
Head tube120 mm
Head-tube angle73°
Seat-tube angle74°
Chainstay / rear center405 mm
Wheelbase970 mm
Bottom-bracket drop71.5 mm
Bottom-bracket height270 mm
Reach386 mm
Stack526 mm
Standover height755 mm
Fork offset / rake45 mm
Front center576 mm
Trail57 mm
Fork length / axle-to-crown368 mm
Seatpost length350 mm
Crank length170 mm
Stem length80 mm
Handlebar width420 mm

Geometry · 54

Seat tube481 mm
Effective top tube548 mm
Head tube140 mm
Head-tube angle73°
Seat-tube angle73.5°
Chainstay / rear center405 mm
Wheelbase978 mm
Bottom-bracket drop69 mm
Bottom-bracket height272.5 mm
Reach387 mm
Stack543 mm
Standover height775 mm
Fork offset / rake45 mm
Front center583 mm
Trail57 mm
Fork length / axle-to-crown368 mm
Seatpost length350 mm
Crank length172.5 mm
Stem length90 mm
Handlebar width420 mm

Geometry · 56

Seat tube501 mm
Effective top tube565 mm
Head tube160 mm
Head-tube angle73.5°
Seat-tube angle73.25°
Chainstay / rear center405 mm
Wheelbase986 mm
Bottom-bracket drop69 mm
Bottom-bracket height272.5 mm
Reach395 mm
Stack564 mm
Standover height795 mm
Fork offset / rake43 mm
Front center591 mm
Trail56 mm
Fork length / axle-to-crown368 mm
Seatpost length400 mm
Crank length172.5 mm
Stem length100 mm
Handlebar width420 mm

Geometry · 58

Seat tube522 mm
Effective top tube582 mm
Head tube190 mm
Head-tube angle73.5°
Seat-tube angle73°
Chainstay / rear center407 mm
Wheelbase1003 mm
Bottom-bracket drop67.5 mm
Bottom-bracket height274 mm
Reach402 mm
Stack591 mm
Standover height826 mm
Fork offset / rake43 mm
Front center605 mm
Trail56 mm
Fork length / axle-to-crown368 mm
Seatpost length400 mm
Crank length175 mm
Stem length110 mm
Handlebar width440 mm

Geometry · 61

Seat tube553 mm
Effective top tube600 mm
Head tube210 mm
Head-tube angle74°
Seat-tube angle72.5°
Chainstay / rear center410 mm
Wheelbase1013 mm
Bottom-bracket drop67.5 mm
Bottom-bracket height274 mm
Reach408 mm
Stack612 mm
Standover height850 mm
Fork offset / rake43 mm
Front center612 mm
Trail53 mm
Fork length / axle-to-crown368 mm
Seatpost length400 mm
Crank length175 mm
Stem length110 mm
Handlebar width440 mm

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on October 25, 2026.