3T Experience Center

3T - PRIMO² WPNT
SHIMANO GRX 1×12 Alloy Wheels

WPNT = WE PAINT!

3T bikes combine advanced carbon technology with color as a design signature. That’s why we invest in original graphics, premium paints, and striking finishes. Painting is now fully in-house, at our factory in Presezzo, Italy. With WPNT, every 3T frame is painted in Italy, giving us full creative control—from engineering to final color design.

IT ALL STARTS WITH THE TIRES

Fast bikes begin with wheels. Tire choice defines grip, comfort, and even aerodynamics. Real tire size depends on rim width, pressure, and accuracy of labels. We measured hundreds of tires to calculate WAM (Width As Measured) and RAM (Radius As Measured). These real dimensions shaped the PRIMO² frame for speed and versatility.

REALFAST AERODYNAMICS

Aerodynamics matter, even off-road. You feel it most on tarmac or smooth gravel, with headwinds or crosswinds. PRIMO² is tested at 48 km/h, the road standard, but also at 32 km/h—true gravel speed. Designed with knobby tires and mud in mind, Realfast proves Primo² is fast in real-world conditions.

SQAERO

PRIMO²’s down tube sets the tone: 50×75 mm with a truncated Squaero profile. It balances stiffness with aerodynamics, guiding airflow around wide front tires. A full airfoil would create drag, but Squaero keeps bottles shielded and airflow clean. This profile extends to head tube, fork, seatpost, and stays.

PRIMO² VERSUS RACEMAX, EXTREMA AND ULTRA

Racemax is built for fast gravel and racing. Extrema Italia shines in ultra-adventures and extreme off-road races. Ultra combines ground clearance with aero efficiency. Primo² is different—road-inspired geometry with space for wide tires. Ride 700c for speed, or 650b for adventure. Primo² is ready for anything.

WHAT’S MY FRAME SIZE?

Sing the right bike size is crucial for a comfortable and enjoyable ride. Use this chart to pick the size which fits your body. Please note, this is merely a suggestion. For the best results, we recommend a professional bike fitting with an expert.

Key features

Lightweight aero carbon frame. REALFAST design optimized around real tire widths, delivering top speed and efficiency on gravel and tarmac.
Shimano GRX 1×12 drivetrain. Wide-range 10–45T cassette with crisp, reliable shifting for every climb and descent.
Hydraulic GRX brakes. 160 mm rotors front and rear ensure powerful, consistent braking in all conditions.
Gravel-tuned wheels & tires. Fulcrum wheelset paired with 700×45 mm Pirelli tires for maximum traction and durability.
Adventure-ready geometry. Ergonomic cockpit and long-distance comfort built into every detail.

Product details
Delivery info

Details

Frame

Primo2 UDH

Frame colour

Gesso

Frame material

Unidirectional pre-preg carbon, High-modulus/high-strength performance blend layup

Fork

3T Fango Primo2

Headset

Sealed cartridge 52/40 (45deg)

Thru-axle

100×12 front - 142×12 rear (specific for 3T UDH dropout)

Handlebar

3T Superergo Pro (S&M: 40cm – L&XL: 42cm)

Bar Tape

3T Prendo Tough

Stem

3T Apto with semi-integrale spacer kit (S:80mm – M:90mm – L:100mm – XL:110mm)

Bottle cage

3T Nylon Front Load Water Bottle Cage (Glossy)

Rear derailleur

Shimano GRX RD-RX822 GS RD+ 12s

Shift/brake levers

Shimano GRX ST-RX610 12s

Brakes

Shimano BR-RX400 (SM-RT64 160mm rotors)

Crankset

Shimano FC-RX610-1 40T 12s (S&M: 170mm, L&XL: 172.5mm)

Cassette

Shimano Deore CS-M6100-12 10-51T

Wheelset

Fulcrum Rapid Red 900 700c or Fulcrum Racing 600 700c depending on availability

Tires

Pirelli Cinturato Adventure 700×45 or Vittoria Terreno T30 Sport 700×40 depending on availability

Seatpost

3T Primo seatpost for Ritchey clamp

Saddle

Fizik Vento Argo X5 140mm

*Additional info

Specifications are subject to change without notice

At RimRebellion, we do everything we can to make the purchase of your new 3T bike as simple and worry-free as possible. You can choose between two delivery options – both completely free of charge:

1. In-store pickup at RimRebellion Store (Bratislava)

Order your bike online and pick it up directly at our RimRebellion Store & Community Café on Košická 27 in Bratislava. We’ll have your bike fully prepared, professionally set up, and double-checked with you before handing it over. You’ll also have the opportunity to consult with us on the spot – completely free.

2. Courier delivery to your address

We’ll deliver your bike conveniently anywhere in Slovakia. Before shipping, we carefully adjust, inspect, and pack your bike into a specially designed 3T box. Upon delivery, just a few simple steps are needed to complete the setup – we’ll guide you through everything.

You can easily choose your preferred delivery method in the cart during checkout.

Product details

Details

Frame

Primo2 UDH

Frame colour

Gesso

Frame material

Unidirectional pre-preg carbon, High-modulus/high-strength performance blend layup

Fork

3T Fango Primo2

Headset

Sealed cartridge 52/40 (45deg)

Thru-axle

100×12 front - 142×12 rear (specific for 3T UDH dropout)

Handlebar

3T Superergo Pro (S&M: 40cm – L&XL: 42cm)

Bar Tape

3T Prendo Tough

Stem

3T Apto with semi-integrale spacer kit (S:80mm – M:90mm – L:100mm – XL:110mm)

Bottle cage

3T Nylon Front Load Water Bottle Cage (Glossy)

Rear derailleur

Shimano GRX RD-RX822 GS RD+ 12s

Shift/brake levers

Shimano GRX ST-RX610 12s

Brakes

Shimano BR-RX400 (SM-RT64 160mm rotors)

Crankset

Shimano FC-RX610-1 40T 12s (S&M: 170mm, L&XL: 172.5mm)

Cassette

Shimano Deore CS-M6100-12 10-51T

Wheelset

Fulcrum Rapid Red 900 700c or Fulcrum Racing 600 700c depending on availability

Tires

Pirelli Cinturato Adventure 700×45 or Vittoria Terreno T30 Sport 700×40 depending on availability

Seatpost

3T Primo seatpost for Ritchey clamp

Saddle

Fizik Vento Argo X5 140mm

*Additional info

Specifications are subject to change without notice
Delivery info

At RimRebellion, we do everything we can to make the purchase of your new 3T bike as simple and worry-free as possible. You can choose between two delivery options – both completely free of charge:

1. In-store pickup at RimRebellion Store (Bratislava)

Order your bike online and pick it up directly at our RimRebellion Store & Community Café on Košická 27 in Bratislava. We’ll have your bike fully prepared, professionally set up, and double-checked with you before handing it over. You’ll also have the opportunity to consult with us on the spot – completely free.

2. Courier delivery to your address

We’ll deliver your bike conveniently anywhere in Slovakia. Before shipping, we carefully adjust, inspect, and pack your bike into a specially designed 3T box. Upon delivery, just a few simple steps are needed to complete the setup – we’ll guide you through everything.

You can easily choose your preferred delivery method in the cart during checkout.

Technologies

SQUAERO FORK LEGS

Sqaero fork airfoil, perfect to guide the airflow around the front wheel and boost fork stiffness.

SQUAREO HEADTUBE, DOWNTUBE AND SEATTUBE

Squareo frame shape complete the aero fork blades.

DROP CHAINSTAY ON DRIVE SIDE

Dropping the drive-side chainstay improves tire & crank clearance.

TIRE CLEARANCE

Fits up to 700 x 45mm tires and even 27.5”x51mm (2.0”), while keeping 4mm between any frame part and tire.

1X AND 2X COMPATIBILITY

1x for simplicity and efficiency - 2x compatible.

3T SEMI-INTEGRATED TECHNOLOGY

The perfect design solution for clean cable integration. Compatible also with 1x and 2x mechanical groupsets.

THREADED BB

All the Primo complete bikes come with threaded BBs without any alloy rings in the carbon (avoiding added weight, complexity and debonding risk).

RITCHEY RAIL CLAMP

Available for round and oval rails.

2 BOTTLE POSITION DOWNTUBE

When using one bottle cage, go for the lowest downtube position for the best aero advantage.

UDH COMPATIBLE

Engineered for optimal shifting performance.

SEATPOST EXPANDER

Aero-optmized and user-friendly.

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3T - PRIMO² WPNT SHIMANO GRX 1×12 Alloy Wheels

WPNT = WE PAINT!

IT ALL STARTS WITH THE TIRES

REALFAST AERODYNAMICS

SQAERO

PRIMO² VERSUS RACEMAX, EXTREMA AND ULTRA

WHAT’S MY FRAME SIZE?

Key features

Product details

Delivery info