3T
Ultra GRX 1x12 650b
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geometry
Geometry
Geometry
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Geometry
Geometry
Frame geometry
| Geometry | 48 | 51 | 54 | 56 | 58 | 61 | XXS |
|---|---|---|---|---|---|---|---|
| Stack | 520mm | 542mm | 564mm | 584mm | 604mm | 632mm | — |
| Reach | 351mm | 362mm | 373mm | 381mm | 388mm | 399mm | — |
| Headtube length | 122mm | 142mm | 158mm | 175mm | 196mm | 225mm | — |
| Headtube angle | 68.5deg | 69.5deg | 71deg | 72deg | 72.5deg | 72.5deg | — |
| BB height | 266.3mm | 266.3mm | 268.3mm | 268.3mm | 270.3mm | 270.3mm | — |
| BB drop | 79mm | 79mm | 77mm | 77mm | 75mm | 75mm | — |
| Trail | 69mm | 63.4mm | 62.5mm | 55.9mm | 52.3mm | 51.9mm | — |
| Fork length | 375mm | 375mm | 375mm | 375mm | 375mm | 375mm | — |
| Fork offset | 62.4mm | 61.6mm | 53.3mm | 53.6mm | 54mm | 54.3mm | — |
| Front center | 597mm | 606mm | 602mm | 607mm | 616mm | 636mm | — |
| Chainstay length | 419mm | 419mm | 419mm | 419mm | 419mm | 419mm | — |
| Wheelbase | 1003.2mm | 1012.3mm | 1008.9mm | 1014mm | 1023.7mm | 1043.8mm | — |
| Top tube | 510mm | 527mm | 545mm | 559mm | 574mm | 593mm | — |
| Standover height | — | — | — | — | — | — | — |
| Seat tube length | 436mm | 463mm | 490mm | 518mm | 549mm | 576mm | — |
| Seat tube angle | 74deg | 74deg | 74deg | 74deg | 74deg | 74deg | — |
Spec geometry
| Geometry | 48 | 51 | 54 | 56 | 58 | 61 | XXS |
|---|---|---|---|---|---|---|---|
| Crank length | — | 170mm | 172.5mm | 172.5mm | 175mm | — | 165mm |
| Stem length | — | 80mm | 90mm | 100mm | 110mm | 120mm | 70mm |
| Handlebar width | — | 400mm | 420mm | 420mm | 440mm | 440mm | 380mm |
| Handlebar reach | — | — | — | — | — | — | — |
| Handlebar drop | — | — | — | — | — | — | — |
| Saddle width | — | — | — | — | — | — | — |
| Dropper post travel | — | — | — | — | — | — | — |
| Seatpost offset | — | 0mm | 0mm | 0mm | 0mm | 0mm | 0mm |
Specs
Full specs
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Specs
Full specs
Frame
Frame
ULTRA (Unidirectional pre-preg carbon, high-modulus/high-strength performance blend layup)
Suspension
Fork
Fango Ultra w/ compact crown
Brakes
Front brake
Shimano BR-RX400 hydraulic disc
Rear brake
Shimano BR-RX400 hydraulic disc
Front rotor
Shimano SM-RT64 160mm
Rear rotor
Shimano SM-RT64 160mm
Drivetrain
Shift levers
Shimano GRX ST-RX610 12-speed
Rear derailleur
Shimano GRX RD-RX822 SGS RD+ 12-speed
Cassette
Shimano CS-M6100-12 10-51T
Chain
Shimano 12-speed (not specified)
Crankset
Shimano FC-RX610-1 40T (XXS: 165mm, 51: 170mm, 54&56: 172.5mm, 58: 175mm)
Bottom bracket
Shimano GRX RX610 compatible (not specified)
Cockpit
Stem
3T Apto Stealth (XXS: 70mm, 51: 80mm, 54: 90mm, 56: 100mm, 58: 110mm, 61: 120mm)
Handlebars
3T Superergo Pro (XXS: 38cm, 51: 40cm, 54&56: 42cm, 58&61: 44cm)
Saddle
Selle Italia Model X Superflow
Seatpost
3T Carbon 27.2 round seatpost, zero offset
Wheels & Tires
Front wheel
Fulcrum Rapid Red 900, 650b, 22mm internal width, tubeless ready
Rear wheel
Fulcrum Rapid Red 900, 650b, 22mm internal width, tubeless ready
Front tire
Vittoria Barzo 27.5x2.1
Rear tire
Vittoria Barzo 27.5x2.1