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Dimond Ikon vs Swift Neurogen MK3
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
- Only the Swift Neurogen MK3 is UCI legal, so only it can be raced in UCI time trials.
- Only the Swift Neurogen MK3 has integrated hydration.
- The Dimond Ikon comes in 5 sizes, the Swift Neurogen MK3 in 4.
Dimond Ikon
Swift Neurogen MK3
| DimondIkon | SwiftNeurogen MK3 | |
|---|---|---|
| Overview | ||
| Brand | Dimond | Swift |
| Build | Ikon frameset | Neurogen MK3 Evo |
| Build notes | Frameset price; custom paint and component builds are configured with Dimond. | GBP from Swift UK; EUR is the list price on Swift's EU store, which currently sells it at €7,899. Swift's global store lists it at £7,799. |
| Price (MSRP) | $8,499$8,499$8,499 | €9,290€9,290£9,400 |
| Model year | 2026 | 2022 |
| Generation | — | Neurogen MK3 (3rd generation, first with disc brakes) |
| Launched | — | 2022-08 |
| Discipline | Triathlon | Triathlon |
| UCI legal | No | Yes |
| Verdict (out of 100) | ||
| Overall score | — | 69 |
| Aero | 76 | 76 |
| Frame | 64 | 70 |
| Components | — | 74 |
| Hydration & storage | 78 | 72 |
| Fit | 60 | 60 |
| Practicality | 60 | 58 |
| Price | — | 70 |
| Frame & fork | ||
| Frame material | Carbon fibre | Carbon (Toray T800/T700) |
| Fork material | — | Carbon (Toray T800/T700), tapered, finned around the brake caliper |
| Frame weight | 1,700 g3.75 lb | — |
| Weight measured on | 1.7 ± 0.05 kg, size IV (Dimond) | — |
| Frame sizes | I, II, III, IV, V | 49, 51, 54, 56 |
| Colours | Custom paint included | — |
| UCI frame approval | — | Approved 17 Jan 2023 as 'NEUROGEN MK3' (frame and fork), category ALL, sizes XS-L (4), code SWIFT-008 (UCI list version 2026.10.02) |
| Compatibility & standards | ||
| Brake type | Disc (Dimond's Ikon demo bike is listed with hydraulic disc brakes) | Flat-mount disc |
| Max rotor size | — | 160 mm |
| Wheel size | 700c | 700c |
| Max tire width | — | 28 mm |
| Bottom bracket standard | PF30 (46 mm diameter x 68 mm wide) | Press-fit BB386 EVO (46 mm, 86.5 mm wide) |
| Front axle | — | 12x100 thru-axle (E-Thru) |
| Rear axle | — | 12x142 thru-axle (E-Thru) |
| Drivetrain compatibility | Shimano Di2, SRAM eTap, mechanical (1x only) | — |
| Mechanical shifting possible | Yes | — |
| 1x compatible | Yes | — |
| Cable routing | — | Fully internal |
| Hydration & storage | ||
| Integrated hydration | — | Yes |
| Hydration details | — | Hydration reservoir in the cockpit (Time Zone Hydration Pack). |
| Integrated storage | Yes | Yes |
| Storage volume | 700 ml23.7 fl oz | — |
| Storage details | Lunch Box bento built into the beam behind the stem: about 700 ml in sizes IV and V and 550 ml in II and III. TOTES (Tools Or Technical Equipment Storage) compartment above the bottom bracket for a tube, levers, CO2 and a small multitool. | Nutrition storage on the top tube. |
| Top tube bento box | Yes | Yes |
| Fit & adjustability | ||
| Aerobar system | — | Swift Time Zone carbon aero bar with clip-on extensions, 400 mm, on a Swift carbon stem |
| Seatpost type | — | Semi-integrated Neurogen MK3 carbon aero seatpost with integrated clamp |
| Fit notes | Dimond links the Ikon to the same size chart as the Mogul: fixed 79-degree seat angle and a minimum saddle height per size. | — |
| Aerodynamics | ||
| Manufacturer aero claims | Dimond says the down-tube cowling forces laminar flow along the bike and works especially well in cross-headwinds (no figures published for the Ikon). | — |
| Testing method | — | Wind-tunnel testing at Silverstone (UK) |
| Tube profile | Cantilevered beam frame with no seat tube | Aero-shaped frame with a streamlined head tube, down tube and fork; finned fork around the front caliper |
| Travel, maintenance & warranty | ||
| Headset bearings | Cane Creek IS41 (IS41/28.6 upper, IS41/30 lower) | 1.5" integrated upper and lower (FSA No.55R on the Comp; the manual lists a Token headset for the Evo) |
| Proprietary parts | — | Neurogen MK3 seatpost and seat clamp, Time Zone cockpit |
| 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 (custom builds via consultant or 3D configurator) | Swift online stores and dealers |
| Drivetrain | ||
| Groupset | — | Shimano Ultegra Di2 R8100 |
| Launched | — | 2021 · current generation |
| Speeds | — | 12-speed |
| Electronic | — | Yes |
| Drivetrain | — | 2x12 |
| Shifters | — | Shimano Dura-Ace Di2 TT (ST-R9180 & SW-R9160) |
| Crankset | — | Shimano Ultegra R8100 |
| Chainrings | — | 52/36 |
| Crank length | — | 170 (49) / 172.5 (51-56) |
| Bottom bracket | — | FSA Pressfit 46x30mm |
| Standard | — | Press-fit BB386 EVO |
| Front derailleur | — | Shimano Ultegra Di2 R8150 |
| Rear derailleur | — | Shimano Ultegra Di2 R8150 |
| Cassette | — | Shimano Ultegra R8100 |
| Range | — | 11-30 |
| Speeds | — | 12-speed |
| Chain | — | Shimano CN-M8100 |
| Brakes | ||
| Brake levers | — | Shimano Dura-Ace Di2 ST-R9180 |
| Brake calipers | — | Shimano Dura-Ace BR-R9270 |
| Type | — | Hydraulic disc |
| Rotors | — | Shimano Dura-Ace RT900 |
| Front rotor | — | 140 mm |
| Rear rotor | — | 140 mm |
| Wheels & tires | ||
| Wheelset | — | DT Swiss ARC 1100 Dicut |
| Front rim depth | — | 62 mm |
| Rear rim depth | — | 80 mm |
| Material | — | Carbon |
| Tires | — | Michelin Power Time Trial |
| Tire width | — | 25 mm |
| Type | — | Clincher with inner tube |
| Cockpit | ||
| Aerobar system | — | Swift Time Zone Aero Bar |
| Material | — | Carbon |
| Basebar | — | Swift Time Zone Aero Bar with clip bars |
| Basebar width | — | 400 mm |
| Material | — | Carbon |
| Stem | — | Swift Full Carbon stem with carbon cover |
| Stem length | — | 100 |
| Headset | — | FSA No.55R |
| Saddle & seatpost | ||
| Saddle | — | Fizik Mistica S-Alloy |
| Seatpost | — | Swift Neurogen MK3 Aero Seatpost |
| Material | — | Carbon |
| Included extras | ||
| Hydration system | — | Swift Time Zone Hydration Pack |
| Geometry (smallest – largest size) | ||
| Sizes | I, II, III, IV, V | 49, 51, 54, 56 |
| Rider height min | 152–185 cm5′0″–6′1″ | 168–183 cm5′6″–6′0″ |
| Rider height max | 152–190 cm5′0″–6′3″ | 173–188 cm5′8″–6′2″ |
| Stack | 490–585 mm19.3–23″ | 490–522 mm19.3–20.6″ |
| Reach | 390–440 mm15.4–17.3″ | 383–441 mm15.1–17.4″ |
| Seat angle min | 79° | 76.4–78° |
| Seat angle max | 79° | 76.4–78° |
| Head tube angle | 72.5° | 72–72.6° |
| Head tube length | 75–155 mm3–6.1″ | 80–100 mm3.1–3.9″ |
| Effective top tube | — | 501–552 mm19.7–21.7″ |
| Seat tube length | — | 504–534 mm19.8–21″ |
| Chainstay | 400 mm15.7″ | 405 mm15.9″ |
| Wheelbase | — | 971–1,028 mm38.2–40.5″ |
| BB drop | 75 mm3″ | 65–66 mm2.6–2.6″ |
| Fork length | — | 375 mm14.8″ |
| Fork offset | — | 43–48 mm1.7–1.9″ |
| Front centre | 570–650 mm22.4–25.6″ | 566–602 mm22.3–23.7″ |
| Saddle height min | 595–785 mm23.4–30.9″ | — |
| Wheel size | 700c | 700c |
| Crank length | — | 170–172.5 mm6.7–6.8″ |
| Basebar width | — | 400 mm15.7″ |
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).