Specialized
2025 | Tarmac SL8 S-Works Custom Force E1 AXS
2025 | Tarmac SL8 S-Works Custom Force E1 AXS
SKU:SPE77363544M
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Why Buy a Bike From The Bike Shop?
Why Buy a Bike From The Bike Shop?
15% off Parts & Accessories
When you buy a bike at The Bike Shop, you get 15% off of parts and accessories for the first 30 days following your bike purchase. The discount will automatically apply in the checkout at the time of purchase with your bike. This excludes items already marked down and some brands.
Service Plan
If you're local to Calgary or Canmore, you also get one complimentary complete tune-up within the first 16 months of owning the bike. Also included is a lifetime of unlimited service checks to keep you informed on the overall condition of your bike.
After Purchase Support
You're not on your own after you buy a bike from us. We have a dedicated e-comm team that is here to assist if you need help with anything. We also created video tutorials on how to unbox your bike when it arrives and get it ready to read.
Shipping & Returns
Shipping & Returns
We care about your bike. We understand the excitement of unboxing a brand new bike and make sure you get the best experience when receiving your new bike.
Canadian shipping charges:
- Sale bikes: $200
- Standard pedal bikes over $1250: Free
- Standard pedal bikes under $1250: $100
- Electric bikes: $200
- Fat bikes: $200
- Kid's bikes: $60
Insurance charge: 1.5% insured value
We are currently offering gift cards to partially offset the price of shipping a bike! Visit our shipping page for more details
Cargo bikes:
Due to the size of the box that cargo bikes ship in, we are unable to ship cargo bikes directly to your address. Cargo bikes are shipped to a Manitoulin Depot for you to pick-up. For more detail, visit our shipping page.
Bike Specifications
Bike Specifications
Specifications are subject to change without notice
Drivetrain
Brakes
Cockpit
Wheels
Suspension
Frame
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Description
Description
The Tarmac SL8 is built to dominate every road—climbs, sprints, and long days in the saddle. With a design that shatters the boundaries between aerodynamics, weight, and ride quality, the SL8 represents the pinnacle of Specialized’s road racing innovation.
From Grand Tour stages to your local breakaway, the Tarmac SL8 is engineered for pure speed, optimized through extensive Win Tunnel development, and refined with Rider-First Engineering for tailored performance across all sizes.
Key Features:
- Frame: FACT 10r Carbon — aero-optimized, featherweight, and responsive
- Geometry: Race-proven, responsive, and balanced — ready for aggressive attacks and all-day efforts
Geometry Chart
Geometry Chart
| Measurement | 56cm |
|---|---|
| Head Tube Angle (°) | 73.5 |
| Seat Tube Angle (°) | 73.5 |
| Wheelbase (mm) | 991 |
| Chainstay Length (mm) | 410 |
| Head Tube Length (mm) | 157 |
| Seat Tube Length (mm) | 494 |
| BB Drop (mm) | 72 |
| BB Height (mm) | 268 |
| Rake (mm) | 44 |
| Trail (mm) | 55 |
| Axle to Crown (mm) | 370 |
| Front Center (mm) | 592 |
Part Numbers
Part Numbers
Size Chart
Size Chart
| Size | Rider height (in) | Rider height (cm) |
|---|---|---|
| 44 | 56-61 | 142-155 |
| 49 | 61-64 | 155-163 |
| 52 | 64-67 | 163-170 |
| 54 | 67-69 | 170-175 |
| 56 | 69-71 | 175-180 |
| 58 | 71-74 | 180-188 |
| 61 | 74-77 | 188-196 |

