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Dimond Radiant SL vs Wilier Triestina Filante SL ID2
Pick up to 4 bikes. Rows line up component by component. Highlighted rows differ, and green marks the best value where lower or higher is clearly better.
Key differences
- Tire clearance: up to 32 mm on the Dimond Radiant SL vs 34 mm on the Wilier Triestina Filante SL ID2.
Dimond Radiant SL
Wilier Triestina Filante SL ID2
| DimondRadiant SL | Wilier TriestinaFilante SL ID2 | |
|---|---|---|
| Overview | ||
| Brand | Dimond | Wilier Triestina |
| Build | Radiant SL frameset | Filante SL ID2 SRAM Force AXS E1, Miche SWR EVO 50 |
| Build notes | Frame, fork, Raven one-piece bar and stem and seatpost. Dimond also offers custom complete builds starting at $8,499 with SRAM AXS or Shimano Di2, but lists no fixed build specs for the SL. | Wilier code E770F3C. |
| Price (MSRP) | $5,400$5,400$5,400 | €6,600€6,600€6,600 |
| Model year | 2025 | 2027 |
| Discipline | Aero road | Aero road |
| UCI legal | Not stated | Not stated |
| Verdict (out of 100) | ||
| Overall score | — | 75 |
| Aero | 78 | 84 |
| Frame | 86 | 70 |
| Components | — | 66 |
| Fit | 80 | 72 |
| Practicality | 74 | 68 |
| Price | — | 88 |
| Weight | — | 79 |
| Frame & fork | ||
| Frame material | Carbon | Carbon monocoque (NHU-mod with high-impact-strength resin) |
| Fork material | — | Carbon monocoque (NHU-mod) |
| Frame weight | 950 g33.5 oz | — |
| Fork weight | 200 g7.1 oz | — |
| Weight measured on | Frame size 54, painted (Dimond); fork weight as listed | — |
| Frame sizes | 46, 49, 52, 54, 56, 58 | XS, S, M, L, XL, XXL |
| Colours | Standard and custom finishes | — |
| Also available as | — | Filante SLR ID2 (higher carbon grade, F-Bar ID2 cockpit) |
| Compatibility & standards | ||
| Brake type | Disc | Hydraulic disc |
| Wheel size | — | 700c |
| Max tire width | 32 mm | 34 mm |
| Bottom bracket standard | T47 threaded | — |
| Front axle | — | 12 mm thru-axle (Miche, 119.5 mm long) |
| Rear axle | — | 12 mm thru-axle (Miche, 166.5 mm long) |
| Cable routing | Fully internal through the Raven bar and stem and integrated headset | — |
| Fit & adjustability | ||
| Cockpit | One-piece carbon bar and stem (Red Crown Cycling Raven), can be painted to match the frame | One-piece bar and stem (Wilier R-Bar, 310 g) |
| Seatpost type | — | Wilier Filante carbon seatpost, 15 mm setback |
| Fit notes | The Raven bar and stem is chosen at order in 380, 400, 420 or 440 mm widths with 80, 90, 100, 110 or 120 mm stems (the product page text lists 90 to 120 mm). 35 mm of spacers in 5 mm steps raise the bar above the head tube. | — |
| Aerodynamics | ||
| Manufacturer aero claims | Dimond says the tube shapes are wind-tunnel validated and developed with CFD; it publishes no drag figures | — |
| Travel, maintenance & warranty | ||
| Headset bearings | — | Custom 1-1/4" upper bearing and FSA MR137 1-1/4" lower |
| Derailleur hanger | UDH (SRAM Universal Derailleur Hanger), SRAM Transmission compatible | — |
| Frame warranty | Frameset covered against manufacturing defects for 6 years from purchase, original owner only (not transferable); hardware, paint, graphics and Dimond forks for 1 year | — |
| Sold via | Direct from Dimond | — |
| Drivetrain | ||
| Groupset | — | SRAM Force AXS E1 |
| Launched | — | 2025 · current generation |
| Speeds | — | 12-speed |
| Electronic | — | Yes |
| Wireless | — | Yes |
| Drivetrain | — | 2x |
| Shifters | — | SRAM Force AXS E1 |
| Crankset | — | SRAM Force AXS E1 |
| Chainrings | — | 48/35 |
| Front derailleur | — | SRAM Force AXS E1 |
| Rear derailleur | — | SRAM Force AXS E1 |
| Cassette | — | SRAM Force XG-1270 E1 |
| Range | — | 10-33 |
| Speeds | — | 12-speed |
| Brakes | ||
| Brake calipers | — | SRAM Force AXS E1 |
| Type | — | Hydraulic disc |
| Rotors | — | SRAM Paceline |
| Front rotor | — | 160 mm |
| Rear rotor | — | 160 mm |
| Wheels & tires | ||
| Wheelset | — | Miche SWR EVO 50 Carbon |
| Material | — | Carbon |
| Tires | — | Vittoria Rubino Pro |
| Tire width | — | 30 mm |
| Set up tubeless | — | No |
| Cockpit | ||
| Handlebar | Red Crown Cycling Raven | Wilier R-Bar |
| Type | One-piece bar and stem | One-piece bar and stem |
| Integrated stem | Yes | Yes |
| Widths available | 380, 400, 420 or 440 mm, with 80 to 120 mm stem (buyer's choice when ordering) | — |
| Cable routing | Fully internal, with integrated headset and spacer system | — |
| Material | Carbon | Carbon |
| Weight | 375 g13.2 oz | 310 g10.9 oz |
| Headset | — | Wilier Custom 1-1/4" upper / FSA MR137 1-1/4" lower |
| Saddle & seatpost | ||
| Saddle | — | Selle San Marco Shortfit 2.0 Open-Fit Narrow |
| Seatpost | — | Wilier Filante carbon seatpost |
| Offset / setback | — | -15 mm |
| Material | — | Carbon |
| Geometry (smallest – largest size) | ||
| Sizes | — | XS, S, M, L, XL, XXL |
| Stack | — | 505–595 mm19.9–23.4″ |
| Reach | — | 373.5–408 mm14.7–16.1″ |
| Seat tube angle | — | 73–75.2° |
| Head tube angle | — | 70.6–73.5° |
| Head tube length | — | 99–183 mm3.9–7.2″ |
| Effective top tube | — | 508–590 mm20–23.2″ |
| Seat tube length | — | 445–565 mm17.5–22.2″ |
| Chainstay | — | 411–413 mm16.2–16.3″ |
| Wheelbase | — | 980.5–1,018.5 mm38.6–40.1″ |
| Wheel size | — | 700c |
Geometry overlay
Pick a size for each bike to see frames and arm-pad ranges on top of each other.
Drawn to scale (how to read it).