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KTM Revelator Alto Exonic vs Trek Madone SLR Gen 8
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
- Both start at €7,999.
- Our verdict scores the Trek Madone SLR Gen 8 higher overall: 82/100 vs 78/100.
- The Trek Madone SLR Gen 8's lightest build is 0.20 kg lighter (6.4 kg vs 6.6 kg).
- The KTM Revelator Alto Exonic comes in 5 sizes, the Trek Madone SLR Gen 8 in 6.
KTM Revelator Alto Exonic
Trek Madone SLR Gen 8
| KTMRevelator Alto Exonic | TrekMadone SLR Gen 8 | |
|---|---|---|
| Overview | ||
| Brand | KTM | Trek |
| Build | Revelator Alto Exonic AXS PM | Madone SLR 9 AXS Gen 8 |
| Build notes | 2027 model, Carbon Crystal Red (white). KTM's name and range text say it comes with a power meter, but the parts list names neither the crankset nor the power meter, brakes or rotors. KTM doesn't state the size of the claimed weight. Sold through KTM dealers. | Claimed weight with TLR sealant, no tubes, no bottles or cages. Trek also sells this build in limited 'The First 50 ICON' and 'No. 76 ICON' paint editions (US$15,999.99, €14,399, £12,680). |
| Price (MSRP) | €7,999€7,999€7,999 | €11,999$13,500£10,500 |
| Bike weight | 6.6 kg14.6 lb | 7 kg15.4 lb |
| Weight measured on size | — | ML |
| Model year | 2027 | 2027 |
| Generation | 3rd edition | Gen 8 |
| Launched | 2022 | 2024-06 |
| Discipline | Aero road | Aero road |
| UCI legal | Yes | Not stated |
| Verdict (out of 100) | ||
| Overall score | 78 | 82 |
| Aero | 76 | 84 |
| Frame | 82 | 88 |
| Components | 88 | 88 |
| Fit | 66 | 76 |
| Practicality | 66 | 68 |
| Price | 67 | 67 |
| Weight | 100 | 100 |
| Frame & fork | ||
| Frame material | Carbon (Road Race Nano Premium Carbon, frame R4910) | 900 Series OCLV Carbon |
| Fork material | Carbon (Revelator Alto Nano Carbon F15) | Carbon (Madone Gen 8 one-piece fork, tapered carbon steerer) |
| Frame weight | — | 796 g28.1 oz |
| Fork weight | — | 350 g12.3 oz |
| Weight measured on | — | Size ML, painted (frame only and fork only), as stated by Trek |
| Max system weight | — | 125 kg275.6 lb |
| Frame sizes | XS (49), S (52), M (55), L (57), XL (59) | XS, S, M, ML, L, XL |
| Colours | Carbon Crystal Red (white) | — |
| Also available as | Revelator Alto Prestige and Prime on the Premium Carbon frame (R3920), and Master, Elite, SuperPro and Pro on the Performance Carbon frame (R4930) | Madone SL Gen 8 (500 Series OCLV carbon); Project One custom SLR builds; limited 'The First 50 ICON' and 'No. 76 ICON' editions of the SLR 9 AXS |
| UCI frame approval | Approved 1 Jul 2022 as 'Revelator Alto' (frame and fork), sizes 49-59 (5), code KTM-REV8 (UCI list version 2026.10.02) | — |
| Compatibility & standards | ||
| Brake type | Hydraulic disc | Hydraulic disc, flat mount |
| Max rotor size | — | 180 mm |
| Wheel size | 700c | 700c |
| Max tire width | — | 32 mm |
| Bottom bracket standard | — | T47 threaded |
| Front axle | 12x100 mm thru-axle | 12x100 mm chamfered thru-axle (Bontrager Switch) |
| Rear axle | 12x142 mm thru-axle | 12x142 mm thru-axle (Bontrager Switch, removable lever) |
| Drivetrain compatibility | — | Electronic-only routing; 1x and 2x |
| Mechanical shifting possible | — | No |
| 1x compatible | — | Yes |
| Max chainring | — | 56T |
| Front derailleur mount | — | Braze-on; removable aero chainkeeper |
| Cable routing | — | Fully internal through the RCS Headset System |
| Fit & adjustability | ||
| Cockpit | One-piece carbon bar and stem (Vision Metron 5D ACR EVO) | One-piece bar and stem (Trek Aero RSL Road) on SLR builds |
| Seatpost type | KTM Prime Carbon Road Aero seatpost, 400 mm | Madone aero carbon seatpost, 0 mm offset, with IsoFlow seat tube; short and tall seat masts |
| Fit notes | — | Trek's Race Fit geometry. Stock bar width and stem length change with frame size (35/38 cm and 80 mm on XS up to 41/44 cm and 110 mm on XL); all sizes have 80 mm reach and 124 mm drop. Trek lists saddle rail height ranges for both the short and the tall seat mast. |
| Aerodynamics | ||
| Manufacturer aero claims | KTM says every detail was refined in the wind tunnel; no figures published. | Trek says the Gen 8 is about as fast as the Madone Gen 7 when fitted with its RSL Aero bottles (0.1 W faster at 35 km/h in its tunnel table) and 11.3 W faster than the Émonda as sold, with most of the gain over Gen 7 at low yaw. The RSL Aero bottles save 1.8 W at 35 km/h against standard 21 oz bottles. |
| Testing method | — | Wind tunnel with a pedalling mannequin at 35 km/h (and up to 64 km/h for team simulations), plus CFD and race-scenario simulations; bikes tested in as-sold SLR configuration |
| Tube profile | — | Full System Foil (replaces Kammtail Virtual Foil) |
| Travel, maintenance & warranty | ||
| Headset bearings | FSA ACR No.80/56 CRII, 1-1/8 in top, 1.5 in bottom | RCS Headset System |
| Derailleur hanger | — | UDH (SRAM Universal Derailleur Hanger) |
| Proprietary parts | — | One-piece Aero RSL bar and stem, RCS headset system, Madone aero seatpost and seat mast, aero chainkeeper, RSL Aero bottle cages |
| Sold via | Through KTM dealers | Trek retailers and trekbikes.com; custom builds through Project One |
| Drivetrain | ||
| Groupset | SRAM Red AXS E1 | SRAM Red AXS E1 |
| Launched | 2024 · current generation | 2024 · current generation |
| Speeds | 12-speed | 12-speed |
| Electronic | Yes | Yes |
| Wireless | Yes | Yes |
| Drivetrain | 2x | 2x |
| Shifters | SRAM Red AXS E1 HRD | SRAM Red AXS E1 |
| Notes | Combined shift and hydraulic brake levers; KTM lists the right-hand lever as Red AXS HRD | — |
| Crankset | — | SRAM Red AXS E1 Power Meter |
| Chainrings | — | 48/35 |
| Crank lengths available | — | 160 mm (XS-S), 165 mm (XS-ML), 170 mm (M-XL), 172.5 mm (L-XL), as listed by Trek |
| Spindle | — | DUB |
| Power meter | — | SRAM Red AXS E1 Power Meter |
| Launched | — | 2024 · current generation |
| Type | — | Integrated in crankset |
| Bottom bracket | — | SRAM DUB T47 |
| Standard | — | T47 threaded, internal bearing |
| Front derailleur | SRAM Red AXS E1 | SRAM Red AXS E1 |
| Notes | — | Braze-on |
| Rear derailleur | SRAM Red AXS E1 | SRAM Red AXS E1 |
| Max cog | — | 36T |
| Cassette | SRAM Red XG-1290 | SRAM Red XG-1290 E1 |
| Range | 10-33 | 10-33 |
| Speeds | 12-speed | 12-speed |
| Chain | SRAM Red E1 | SRAM Red E1 |
| Brakes | ||
| Brake calipers | — | SRAM Red AXS E1 |
| Type | — | Hydraulic disc, flat mount |
| Rotors | — | SRAM Paceline X |
| Front rotor | — | 160 mm |
| Rear rotor | — | 160 mm |
| Mount | — | Center Lock |
| Wheels & tires | ||
| Wheelset | Mavic Comete 45 Carbon | Bontrager Aeolus RSL 51 |
| Front rim depth | — | 51 mm |
| Rear rim depth | — | 51 mm |
| Material | Carbon | OCLV Carbon |
| Tubeless ready | Yes | Yes |
| Freehub options | — | SRAM XD-R or Shimano 11/12-speed (Trek lists both) |
| Notes | 12 mm thru-axle hubs, 100/142 mm | — |
| Tires | Continental Grand Prix 5000 S TR | Bontrager Aeolus RSL RD |
| Tire width | 30 mm | 28 mm |
| Casing | — | Cotton, 170 tpi |
| Notes | — | Trek also lists Pirelli P Zero Race TLR RS or P Zero Race 28 mm, with Pirelli P Zero SmarTube TPU tubes and Bontrager TLR sealant |
| Cockpit | ||
| Handlebar | Vision Metron 5D ACR EVO | Trek Aero RSL Road |
| Type | One-piece bar and stem | One-piece bar and stem |
| Integrated stem | Yes | Yes |
| Widths available | — | 35/38 cm (XS), 37/40 cm (S), 39/42 cm (M-L), 41/44 cm (XL), control/drop width |
| Bar reach | — | 80 mm |
| Bar drop | — | 124 mm |
| Material | Carbon | OCLV Carbon |
| Notes | — | Race Fit; 80 mm (XS), 90 mm (S-M), 100 mm (ML-L) or 110 mm (XL) stem length |
| Headset | FSA ACR No.80/56 CRII 1-1/8 in / 1.5 in | — |
| Saddle & seatpost | ||
| Saddle | Selle Italia SLR Boost Superflow 3D Carbon | Aeolus RSL |
| Saddle width | — | 145 mm |
| Rails | — | Carbon |
| Notes | — | Trek also lists a 155 mm width (XS-S) and the Aeolus RSL AirLoom version |
| Seatpost | KTM Prime Carbon Road Aero | Trek Madone aero carbon seatpost |
| Offset / setback | — | 0 mm |
| Material | Carbon | Carbon |
| Notes | 400 mm | Short length |
| Bar tape | KTM KTM tape | Trek EcoTack |
| Notes | — | Trek also lists gel cork tape |
| Included extras | ||
| Bottle cages | — | Trek RSL Aero Bottles and Cages |
| Geometry (smallest – largest size) | ||
| Sizes | XS (49), S (52), M (55), L (57), XL (59) | XS, S, M, ML, L, XL |
| Rider height min | — | 143–188 cm4′8″–6′2″ |
| Rider height max | — | 158–199 cm5′2″–6′6″ |
| Stack | 519–571 mm20.4–22.5″ | 507–610 mm20–24″ |
| Reach | 361–396 mm14.2–15.6″ | 370–402 mm14.6–15.8″ |
| Seat tube angle | 72.5–74° | 73.4–73.8° |
| Head tube angle | 71.5–72.5° | 71.6–73.9° |
| Head tube length | 115–170 mm4.5–6.7″ | 100–201 mm3.9–7.9″ |
| Effective top tube | 510–576 mm20.1–22.7″ | 517–584 mm20.4–23″ |
| Seat tube length | 440–540 mm17.3–21.3″ | 404–609 mm15.9–24″ |
| Chainstay | 410 mm16.1″ | 410–412 mm16.1–16.2″ |
| Wheelbase | 960–1,004 mm37.8–39.5″ | 971–1,007 mm38.2–39.6″ |
| BB drop | 68–72 mm2.7–2.8″ | 68–72 mm2.7–2.8″ |
| Fork offset | — | 40–50 mm1.6–2″ |
| Trail | — | 57–62 mm2.2–2.4″ |
| Front centre | — | 572–604 mm22.5–23.8″ |
| Standover | 733–811 mm28.9–31.9″ | 704–863 mm27.7–34″ |
| Wheel size | 700c | 700c |
| Stem length | — | 80–110 mm3.1–4.3″ |
| Handlebar reach | — | 80 mm3.1″ |
| Handlebar drop | — | 124 mm4.9″ |
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).