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T-Lab - Titanium. Fast Forward.
2025

T-Lab X3

Frameset starting at $3,550
Complete bike starting at $4,350

T-Lab’s flagship gravel bike is back for 2025, setting new standards with regards to all-road capability. Hailed by GravelCyclist.com as "the best overall riding titanium bike," the X3 delivers unmatched multi-surface performance and comfort, given an enhanced maximum tire clearance of 700x50c. Featuring UDH compatibility and now available with the option of going fully internal for your cable routing. Exceptionally responsive and smooth. Remarkably agile and bikepacking worthy. You’re looking at the titanium gravel bike par excellence for those who refuse to compromise.

Build your X3
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Rob Rossi - Co-Founder
ROB ROSSI Co‑Founder

Also Available

Key Features

RADICALLY SHAPED TI

Proprietary T-Morph technology produces an exceptionally profiled titanium frame that delivers up 30% more lateral stiffness and related responsiveness versus conventional Ti frames.

ENHANCED TIRE CLEARANCE

Redesigned back triangle now allows for tires up to 700x50c, expanding off-road adventure possibilities.

UDH COMPATIBILITY

UDH compatibility ensures easy derailleur replacement, smoother shifting, and better drivetrain protection.

QUIETLY STRONG BOTTOM BRACKET

Standard BB-386 titanium bottom bracket shell optimizes lateral stiffness where it counts. T-Lab's meticulous post-machining ensures a "creak-free" ride and increase the lifespan od BB's.

PREMIUM FINISH

Hand-brushed, Lux finish comes standard. Turns heads while being as low maintenance as it gets.

Rider Feedback

I have to compliment your team on the geometry and construction. It handles beautifully at all speeds whether climbing or descending, and better than my existing road and gravel bikes. A bike that does everything, and with style too. Kudos to the team!
Dan Lau
Issaquah, WA
Really sets itself apart from just about every other titanium gravel bike on the market today. The X3 can do it all.
Gravel Cyclist
X3 Review
I picked up my X3 from T-Lab a year ago. It has exceeded all my expectations-from fun-to-ride, to versatility and durability. Best bike I've ever owned.
Pat Ford
Toronto, ON
Has a feel like no other titanium bike. The much-lauded compliance of titanium is ever-present, soaking up road vibrations, but the X3 also brings razor-sharp handling and response to the party. Pressing on the pedals produces an immediate reaction, with acceleration like a kick in the pants and great torsional rigidity that counteracts it and ensures precise control.
Cycling Plus
X3 Review
The comfort level of the X3 comes without any sacrifice of stability, and some of the factors that improve the ride probably contribute to keeping the tires securely on the ground. I can now explore places that I would have actively avoided in the past. I no longer cringe when I hear stones striking tubes, and I don't mind the muddy spray that washes away. Maybe my grandson riding this bike 50 years from now will have more to say on the topic.
David Bergandine
Paxton, IL
Just completed a ride from Seattle to San Diego. I have loved my X3 the entire 1800 miles. No creaks, no problems and best of all, it’s such a comfortable ride.
Brian Thompson
North Fremantle, Australia
On the hills it was snappy out of the saddle, and the handling on the flowy turns felt solid. The top impression the X3 demonstrates though is the smooth ride compliance it give over the rumble and bumps. Your one-of-a kind frame design lives up to your claims.
Scott Dayberry
Colorado Springs, CO

X3 frameset*: US$3,550

X3 complete bike, featuring:

SHIMANO GRX610 (RX610 - 12sp) 2X
US$4,350
SHIMANO GRX (RX 822-12sp) 1X
US$4,750
SHIMANO GRX (RX 820-12sp) 2X
US$4,750
SHIMANO GRX Di2 (RX 825-12sp) 2X
US$5,550
SRAM Force AXS E-TAP (12sp.) 1X
US$5,950
SRAM Force AXS E-TAP (12sp.) 2X
US$5,950

*Includes fork and headset and thru-axels

    • Average Frame Weight: 1375g (S)
    • Headtube: Semi-internal - ZS44 Top and IS52 bottom; Fully Internal - IS52 Top and bottom
    • Seatpost: 27.2mm (31.8mm seat clamp)
    • Front Derailleur: “Clamp-on” type
    • Bottom Bracket: BB-386
    • Dropouts: 142x12mm axle flat mount with disc brake
    • Fork: is a tapered from 1-1/2" at the crown to 1-1/8" for the steerer, 395mm Axle to crown, 50mm
    • Wheel Size: 700c or 650B
    • Maximum Tire Width: 700x50c (tire width may vary depending on manufacturer and tire pressure)
    • Available in Gravel/Adventure geometry in the following standard sizes: XS, S, M, L, XL
    • Custom geometry/sizing also available ($600 CAD upcharge)
    • Frame compatible with Shimano, SRAM and Campagnolo groupsets featuring disc brakes
    • Lifetime warranty (with regards to manufacturer’s defects)
Frame Size Unit XS S M L XL
Average Cyclist Height (equiv.) ft-in (52): 5’-1” to 5’-4” (54): 5’-5” to 5’-8” (56): 5’-9” to 6’-0” (58): 6’-0” to 6’-4” (60): 6’-4” to 6’-6”
Standover Height
mm
737
764
792
816
835
Seat Tube Angle deg 73.5 73.5 73.5 73.5 73.5
Seat Tube Length (center-to-top)
mm
470
500
530
560
580
Top Tube Length (horizontal) mm 527 544 562 584 606
Head Tube Angle
deg
71
71.25
71.5
71.5
71.5
Head Tube Length* mm 120 140 160 180 200
Frame Stack
mm
545
566
586
604
623
Frame Reach mm 392 400 410 423 440
Bottom Bracket Drop
mm
76
76
76
76
76
Fork Rake mm 50 50 50 50 50
Front Center Distance
mm
606
617
633
653
675
Trail mm 71 67 67 67 67
Chain Stay Length
mm
430
430
430
430
430
Wheelbase mm 1036 1048 1063 1082 1105
For XXS and XXL orders, contact us for custom sizing

Measurements provided based on use of 700x45c tires.

*Head Tube: Semi-internal - ZS44 Top and IS52 bottom; Fully Internal - IS52 Top and bottom


SHIMANO GRX610 (RX610-12sp) 2X SHIMANO GRX (RX 822-12sp) 1X & (RX 820-12sp) 2X SHIMANO GRX Di2 (RX 815-11sp) 2X CAMPAGNOLO EKAR 1X SRAM FORCE AXS e-Tap 1X SRAM FORCE AXS e-Tap 2X
Frame T-Lab X3 (2025)
Fork
XD (carbon)
Drivetrain Shimano GRX610 (12sp-2X) Shimano GRX820 (12sp-2X)/ GRX822 (12sp-1X) Shimano GRX815 Di2 (11sp-2X) Campagnolo Ekar (13sp-1X) Sram Force AXS eTap (1X) Sram Force AXS eTap (2X)
Crankset
46-30T; 165/170/172.5/175
40T; 165/170/172.5/175 (1X) / 48-31T; 165/170/172.5/175 (2X)
48-31T; 165/170/172.5/175
38T; 165/170/172.5/175
40T; 165/170/172.5/175
43-30T; 165/170/172.5/175
Cassette 11-34 11-42 (1X) / 11-34T (2X) 11-34T 9-42, 10-44, 9-36 10-44t 10-33, 10-28, 10-36
Brakeset
RX610 / BR-RX400
BR-RX820
EP21-EKD13
ED-FRC-D1
Centerlock Rotors SM-RT70 - 160mm RT-MT800 - 160mm (1X) / RT-CL800 - 160mm (2X) RT-MT800 - 160mm DB-1605 - 160mm RT-CLX-R-A1-160mm
Wheelset
BOYD GVL
MAVIC ALL ROAD
Tire Pirelli Cinturato Gravel
Cockpit +*
Handlebar FSA Alloy
Seatpost
FSA Alloy
Stem FSA Alloy
Saddle
Selle San Marco
H-Bar Tape FSA Ultracork Handlebar Tape

*Based on availability from our suppliers, some equivalent substitutions may occur.

Build your X3

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