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Storck Aero3 vs Ventum Tempus
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
- Our verdict scores the Ventum Tempus higher overall: 75/100 vs 72/100.
- Only the Storck Aero3 has integrated hydration.
- Only the Storck Aero3 has integrated storage.
- The Storck Aero3 comes in 5 sizes, the Ventum Tempus in 4.
Storck Aero3
Ventum Tempus
| StorckAero3 | VentumTempus | |
|---|---|---|
| Overview | ||
| Brand | Storck | Ventum |
| Build | Aero3 SRAM Red AXS 1x12 | Tempus SRAM Rival AXS |
| Build notes | Base configuration of Storck's configurator (size XS shown, Zeitjaeger frame, black/red, Zeitjaeger Comp 55R wheels). Shimano Ultegra Di2 2x12, Dura-Ace Di2 2x12 and SRAM Red D1 AXS 2x12 groupsets and Zeitjaeger Pro 50 R wheels can be chosen at prices the page loads dynamically (not captured). Storck quotes 8.9 kg fully equipped without naming a size. | Ventum will fit a different crank length (165, 170, 172.5 or 175 mm) for $75. No computer mount is included. |
| Price (MSRP) | €4,999€4,999€4,999 | $5,799$5,799$5,799 |
| Bike weight | 8.9 kg19.6 lb | — |
| Model year | 2026 | 2025 |
| Launched | — | 2025-03 |
| Discipline | Triathlon | Triathlon |
| UCI legal | Not stated | Yes |
| Verdict (out of 100) | ||
| Overall score | 72 | 75 |
| Aero | 72 | 80 |
| Frame | 70 | 72 |
| Components | 74 | 82 |
| Hydration & storage | 74 | 45 |
| Fit | 64 | 74 |
| Practicality | 64 | 86 |
| Price | 87 | 85 |
| Frame & fork | ||
| Frame material | Carbon (CFR/UD) | Carbon |
| Fork material | Carbon | Carbon, tapered steerer, carbon dropouts |
| Frame sizes | XS, S, M, L, XL | S, M, L, XL |
| Colours | Black/red (complete bike); matt black / Frosted Chili (frameset) | — |
| UCI frame approval | — | UCI-approved as 'Tempus' (frame and fork code VENTUM-002), approved 06.09.2024, sizes XS to XL (5) (UCI list version 2026.10.02) |
| Compatibility & standards | ||
| Brake type | Flat-mount disc | Disc, flat mount |
| Wheel size | 700c | 700c |
| Max tire width | — | 30 mm |
| Bottom bracket standard | BB30 (30x73 mm) | T47 threaded |
| Drivetrain compatibility | Mechanical or electronic | Electronic (Shimano Di2 and SRAM AXS builds offered); UDH derailleur hanger |
| Mechanical shifting possible | Yes | — |
| Cable routing | — | Internal; brake hoses run inside the frame and fork |
| Hydration & storage | ||
| Integrated hydration | Yes | No |
| Hydration details | Aero3 drinking system included with the frameset (volume not stated). Storck points buyers to the DTU 2025 rules on drinking systems and attachments. | — |
| Integrated storage | Yes | — |
| Storage details | Aero3 storage boxes included with the frameset | — |
| Fit & adjustability | ||
| Aerobar system | Storck Aero3 integrated bar/stem unit (31.8 mm) with integrated shifters in the extensions | Profile Design Wing Ultimate S carbon basebar, developed together with Ventum for the Tempus |
| Third-party aerobars possible | — | Yes |
| Pad stack adjustment range | — | Profile Design A3A risers with 30 mm of stack as standard; see pad stack per size |
| Extension options | — | Profile Design 52 ASC carbon (52 A alloy on the Rival build); ASC Pro upgrade for $600 in 325, 350 or 375 mm |
| Seatpost type | Storck Aero3 carbon seatpost | Ventum carbon post, 0° offset |
| Effective seat angle range | 76-78° | 82° |
| Aerodynamics | ||
| Manufacturer aero claims | — | Up to 15 W faster than the Ventum One Disc in certain conditions and configurations |
| Testing method | — | CFD and wind tunnel |
| Tube profile | — | Airfoil tube sections along the whole frame; very wide-set fork legs and seat stays |
| Travel, maintenance & warranty | ||
| Travel & packing | — | Ventum ships bikes in a ride-ready box: about 98% assembled within the continental US (fit wheels and seatpost), about 85% elsewhere (stem also to fit). |
| Headset bearings | Integrated 1-1/8" upper, 1-1/4" lower | — |
| Derailleur hanger | — | UDH (SRAM Universal Derailleur Hanger) |
| Frame warranty | — | Limited lifetime warranty on frame, fork and seatpost for the original owner |
| Sold via | Direct from Storck (online and Storck stores) | Direct to consumer |
| Drivetrain | ||
| Groupset | SRAM Red eTap AXS D1 | SRAM Rival AXS |
| Launched | 2019 · replaced by SRAM Red AXS E1 (2024) | — |
| Speeds | 12-speed | 12-speed |
| Electronic | Yes | Yes |
| Wireless | Yes | Yes |
| Drivetrain | 1x12 | 2x |
| Shifters | — | SRAM AXS Wireless Blips |
| Position | — | Extensions |
| Crankset | SRAM Red D1 | SRAM Rival |
| Chainrings | 50T | 48/35 |
| Crank length | — | 165 (S, M) / 170 (L, XL) |
| Bottom bracket | BB30 | SRAM DUB T47 |
| Standard | BB30 (30x73 mm) | T47 |
| Front derailleur | — | SRAM Rival AXS |
| Rear derailleur | SRAM Red eTap AXS D1 | SRAM Rival AXS |
| Cassette | SRAM Red | SRAM Rival XG-1250 |
| Range | 10-33 | 10-36 |
| Speeds | 12-speed | 12-speed |
| Chain | SRAM Red | SRAM Rival |
| Brakes | ||
| Brake calipers | SRAM Red hydraulic disc | SRAM S-900 Aero HRD |
| Type | Hydraulic disc, flat mount | Hydraulic disc |
| Notes | 160 mm rotors front and rear | — |
| Rotors | — | SRAM Paceline |
| Front rotor | — | 160 mm |
| Rear rotor | — | 140 mm |
| Mount | — | Center Lock |
| Wheels & tires | ||
| Wheelset | Storck Zeitjaeger Comp 55R | Zipp 404 |
| Tubeless ready | — | Yes |
| Tires | Continental Grand Prix SL | Schwalbe One Performance RaceGuard |
| Tire width | 25 mm | 28 mm |
| Cockpit | ||
| Aerobar system | Storck Aero3 Unit 31.8 mm | — |
| Integrated with frame | Yes | — |
| Notes | Bar/stem unit with integrated shifter mounting in the extensions | — |
| Basebar | — | Profile Design Wing Ultimate S |
| Extensions | — | Profile Design 52 A |
| Arm pads / cups | — | Profile Design A3A risers |
| Notes | — | 30 mm of stack |
| Headset | Storck 1-1/8" - 1-1/4" integrated | — |
| Saddle & seatpost | ||
| Saddle | Fizik Transiro Mistica Kium Regular | Fizik Aeris SD R5 |
| Saddle width | — | 135 mm |
| Seatpost | Storck Aero3 Carbon | Ventum Tempus carbon post |
| Offset / setback | — | 0° |
| Material | Carbon | — |
| Included extras | ||
| Hydration system | Storck Aero3 drinking system | — |
| Storage / bento | Storck Aero3 storage boxes | — |
| Geometry (smallest – largest size) | ||
| Sizes | XS, S, M, L, XL | S, M, L, XL |
| Rider height min | 160–188 cm5′3″–6′2″ | — |
| Rider height max | 172–203 cm5–6′8″ | — |
| Stack | 479–558 mm18.9–22″ | 466–539 mm18.3–21.2″ |
| Reach | 372–447 mm14.6–17.6″ | 387–444 mm15.2–17.5″ |
| Pad stack min | — | 582–655 mm22.9–25.8″ |
| Pad stack max | — | 652–725 mm25.7–28.5″ |
| Pad reach min | — | 382–439 mm15–17.3″ |
| Pad reach max | — | 487–544 mm19.2–21.4″ |
| Seat angle min | 76° | 82° |
| Seat angle max | 78° | 82° |
| Head tube angle | 72.5–72.8° | 72.5–72.6° |
| Head tube length | 80–160 mm3.1–6.3″ | 47–125 mm1.9–4.9″ |
| Effective top tube | 500–580 mm19.7–22.8″ | 452–520 mm17.8–20.5″ |
| Seat tube length | — | 523–597 mm20.6–23.5″ |
| Chainstay | 387 mm15.2″ | 410 mm16.1″ |
| Wheelbase | — | 948–1,029 mm37.3–40.5″ |
| BB drop | — | 75–76 mm3–3″ |
| Trail | — | 61 mm2.4″ |
| Front centre | — | 562–642 mm22.1–25.3″ |
| Standover | — | 790–863 mm31.1–34″ |
| Wheel size | 700c | — |
| Crank length | 170–175 mm6.7–6.9″ | 165–170 mm6.5–6.7″ |
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).