3T will be closed for a winter break from December 24th to January 6th. Orders placed by December 19th will be processed starting from January 7th. For any inquiries, email us at info@3t.bike.

PRIMO

GRX 1x12 700c
3.900 €

The world’s first full-aero gravel bike, for budget riders willing to enter the gravel world.

Size

Shipped in 3-10 working days

Specifications are subject to change without notice

Additional Info

Free shipping on orders over 150€

The bike comes assembled

A 3T bike shipped to you is
assembled with everything including gears, brakes and headset tuned.

Watch our unboxing and assembly video

-> Link to  Unboxing and assemblying your new 3T bike

 All you need to do is:

1 - insert the front wheel

2 - mount the bars on the stem

3 - install the
seatpost

About VAT & Duties

VAT and Duties included for EU orders

VAT and Duties not included for orders outside EU except for UK and CH

More about shipping & payments

To assure you the best possible delivery service, 3T operates only with top international couriers. All of our deliveries are managed by the DHL group. Deliveries are around 5 working days from time of shipment, except for the “Custom” category: for these products, considering the unique and handcrafted finishing process, deliveries are around 20 days from receipt of the order. 

More about: Shipping and Returns

More about returns and refunds

Specs

PRIMO ~ GRX 1x12 700c

Frame material
Unidirectional pre-preg carbon, High-modulus/high-strength performance blend layup
Fork
3T Fango
Headset
Sealed cartridge 1.125” - 1.5”
Thru-axle
100x12 front - 142x12 rear (specific for hang loose hanger)
Handlebar
3T Superergo Pro (S: 40cm - M&L: 42cm - XL: 44cm)
Bar Tape
3T Prendo Tough
Stem
3T Apto Stealth (S:80mm -M:90mm - L: 100mm - XL:110mm)
Bottle cage
3T nylon front load water bottle cage
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: 170mm, M&L: 172.5, XL: 175mm)
Cassette
Shimano CS-M6100-12 10-45T
Wheelset
Fulcrum Rapid Red 900 700c or Fulcrum Racing 600 700c
Tires
Pirelli Cinturato Adventure 700x45
Seatpost
3T Primo setpost for Ritchey clamp
Saddle
Selle Italia Novus Boost Evo Superflow
*Additional info
Specifications are subject to change without notice
CM
INCHES

What's my frame size?

Choosing 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.

GEOMETRIES
Size S M L XL
Rider Height (cm) 157-170 168-180 178-191 188-201
Rider Height* (inches) 5'2"-5'7" 5'6"-5'11" 5'10"-6'3" 6'2"-6'7"
Max. BB to saddle rail** (mm) 763 790 818 845
Stack 517 546 575 604
Reach 366 378 390 402
Headtube angle 69.5 71.1 72.5 72.5
Fork rake 50 50 50 50
Fork axle-crown 395 395 395 395
Front center 591 598 606 627
Rear center 415 415 415 415
BB drop 70 70 70 70
Headtube length 101 125 150 180
Toptube length 529 550 571 592
Seattube length 463 490 518 545
Seattube angle 72.5 72.5 72.5 72.5

DESIGN IN DETAILS