Bike details
Overview
Key information split into simple groups.
Bike summary
-
-
Frame Carbon -
Wheels 700c -
Groupset Ultegra Di2 -
Suspension Rigid -
Drivetrain 2 × 11 Electronic -
Brakes Rim
Sizing
Recommended size guide.
49cm
155cm - 163cm
52cm
161cm - 169cm
54cm
166cm - 175cm
56cm
172cm - 181cm
58cm
178cm - 186cm
61cm
183cm - 191cm
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Suspension Fork
Tarmac Comp, carbon Monocoque
Drivetrain
Rear Derailleur
Shimano Ultegra Di2, 6870, 11-speed
Front Derailleur
Shimano Ultegra Di2 6870, 11-speed, braze-on
Shift Levers
Shimano Ultegra Di2, 11-speed
Cassette
Shimano 105, 11-speed, 11-28t
Crank
Shimano Ultegra Compact, 52/36T
Bottom Bracket
Shimano
Chain
KMC X11, 11-speed
Wheels
Rims
DT R460
Tires
Turbo Pro, 700x23mm, 127TPI, folding bead, BlackBelt protection
Brakes
Brakes
Shimano Ultegra
Cockpit
Stem
3D-forged alloy, 7-degree rise
Handlebar
Specialized Shallow Drop Comp, 6061 double-butted alloy, 125mm drop, 70mm reach, 31.8mm
Seat
Saddle
Toupé Comp Gel, Adaptive Edge design, hollow Cr-Mo rails, 143mm
Seatpost
Specialized Comp carbon, single bolt
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | 49cm | 52cm | 54cm | 56cm | 58cm | 61cm |
|---|---|---|---|---|---|---|
| Stack Reach Ratio | 1.31 mm | 1.37 mm | 1.41 mm | 1.43 mm | 1.47 mm | 1.5 mm |
| Bottom Bracket Height | 270 mm | 270 mm | 272.5 mm | 272.5 mm | 274 mm | 274 mm |
| Front Center | 576 mm | 576 mm | 583 mm | 591 mm | 605 mm | 612 mm |
| Rake | 45 mm | 45 mm | 45 mm | 43 mm | 43 mm | 43 mm |
| Trail | 62 mm | 57 mm | 57 mm | 56 mm | 56 mm | 53 mm |
| Stack | 501 mm | 523 mm | 540 mm | 561 mm | 588 mm | 609 mm |
| Reach | 383 mm | 383 mm | 384 mm | 392 mm | 399 mm | 405 mm |
| Top Tube Length | 515 mm | 534 mm | 545 mm | 562 mm | 579 mm | 597 mm |
| Seat Tube Angle | 75.5 ° | 74 ° | 73.5 ° | 73.25 ° | 73 ° | 72.5 ° |
| Seat Tube Length | 431 mm | 462 mm | 481 mm | 501 mm | 522 mm | 553 mm |
| Head Tube Angle | 72.25 ° | 73 ° | 73 ° | 73.5 ° | 73.5 ° | 74 ° |
| Head Tube Length | 100 mm | 120 mm | 140 mm | 160 mm | 190 mm | 210 mm |
| Chainstay Length | 402 mm | 402 mm | 402 mm | 402 mm | 404 mm | 407 mm |
| Wheelbase | 967 mm | 967 mm | 975 mm | 983 mm | 1000 mm | 1010 mm |
| Bottom Bracket Drop | 71 mm | 71 mm | 69 mm | 69 mm | 67 mm | 67 mm |
| Standover Height | 727 mm | 752 mm | 772 mm | 792 mm | 823 mm | 847 mm |
| Wheels | 700 | 700 | 700 | 700 | 700 | 700 |
| Rider Min Height | 155 cm | 161 cm | 166 cm | 172 cm | 178 cm | 183 cm |
| Rider Max Height | 163 cm | 169 cm | 175 cm | 181 cm | 186 cm | 191 cm |
About this model
Tarmac SL4 Comp UDi2 is a Specialized Tarmac model. 279 bikes variations carry this model name so far. You can easily view all of the Specialized Tarmac bikes models from 2017, here.
Safety
Your safety is a top priority so always wear a helmet when you ride your bike. Moreover, wear the right clothing. You want to be visible to other drivers, so avoid wearing dark clothing.
Average price for Race bikes
If you want an acceptable Race bike you should know that the average price is 3350$. However, this doesn’t mean that if you spend less money on a Race bike, you couldn’t get a decent one. To sum up, when you purchase your bike, make sure to check if it has reviews, and also do some components research.
Overview of components
Fork material
Tarmac SL4 Comp UDi2 has a carbon fork, so, it’s a great addition to the bike’s value. However, carbon forks should be regularly inspected for damage because even the smallest crack could cause the fork to fall apart.
Wheels size
As for the wheels, Specialized Tarmac SL4 Comp UDi2 2017, has a 700c aluminum model. These are the most popular wheels for road, aero, gravel, cyclocross, race, and gravel bikes. However, these wheels don’t perform so well when passing over obstacles.
Brakes
Nothing is more important on a bike than its ability to brake properly. Specialized Tarmac SL4 Comp UDi2 is equipped with Rim brakes. Slightly lighter than hydraulic brakes, rim brakes are a budget choice. However, you could spend a little extra and get a bike that has hydraulic brakes.
Sizes
Specialized Tarmac SL4 Comp UDi2 bike has 6 sizes, in the range of 155 cm – 191 cm (5.09 ft – 6.27 ft). In conclusion, you won’t have a problem finding one that suits you.