Size Guide


The Zoncolan SL represents the largest technological leap in the history of Tommaso Bikes. Years of dedication and hard work have brought the Zoncolan SL to realization, and we are confident that this bike will allow you to push yourself to reach your goals as a cyclist.  Every aspect of the Zoncolan SL was developed with lightweight speed and performance as the number one goal.  If you are a racer looking to step up to professional level and perform your best in the most grueling rides of your life, the Zoncolan SL was made just for you.  Like every bike on Tommasobikes.com, the Zoncolan SL comes with our signature Ready To Ride Build service.




Super Light Toray T800 carbon frame and fork make up our stiffest most powerful frame ever, for explosive power on demand.



This bike is the pinnacle of Tommaso performance, so the only option was the absolute best component set in the world, Dura-Ace 9000.  Every component on this bikes is full Dura-Ace 9000, and you will feel the difference on the very first pedal stroke.



The Tommaso Corsa TC-50C Carbon Wheels are 1520 grams of pure performance and power.  Lightning quick acceleration and unprecedented aerodynamics are your ticket to the top.






Super Light & Stiff Toray T800 Monocoque Frame/Fork (850 grams)

Full Dura-Ace 9000 Groupset

Ultra Light Tommaso Corsa TC-50C Carbon Wheels (1,520 grams)

Tommaso WTB SL8 Saddle (189 grams)

Tommaso Corsa Carbon Handlebars (200 grams)

14.3lbs (Small Frame without Pedals/Reflectors)







Frame Tommaso Super Light Toray 800 Carbon Frame (850 grams)
Fork Tommaso Super Light Toray 800 Carbon Fork with 1-1/8" - 1.5" Carbon Steer Tube
Sizes XS (49cm), S (51cm), M (54cm), L (56.5cm), XL (59cm)
Headset Tommaso Integrated 1-1/8"


Shifters Shimano Dura-Ace 9000 ST-9001
Front Derailleur Shimano Dura-Ace 9000 (2-spd)
Rear Derailleur Shimano Dura-Ace 9000 (11-spd)
Cassette Shimano Dura-Ace 9000 Cassette - 11-25T - 11spd
Speeds 2x11 (22 Total Speeds)
Crankset Shimano Dura-Ace 9000 Hollowtech II 52/36T
Crank Arm Length 170mm (XS) / 172.5mm (S, M Frames) / 175mm (L, XL Frames)
Chain Shimano Dura-Ace HG 9000 (11spd Chain)
Bottom Bracket Shimano Dura-Ace SM-BBR60


Brakes Shimano Dura-Ace BR-9000 Calipers
Brake Levers Shimano Dura-Ace 9000


Wheelset Tommaso Corsa TC-50C Carbon Wheelset
Tires Hutchinson Fusion 5 Performance 25c (Kevlar Enforced)
Tubes 700 x 25c Presta


Handlebar Tommaso Corsa Carbon - 31.8mm
Handlebar Width 80mm
Handlebar Drop 125mm
Handlebar Tape Tommaso Cork Grip Tape - Black
Stem: Tommaso TRS Ultralight Race Series Aluminum - 31.8mm - 7 Degrees
Stem Length 90mm (XS Frame) / 100mm (S, M Frames) / 110mm (L, XL Frames)
Saddle Tommaso WTB SL8 With Titanium Rails
Seatpost Tommaso Super Light Weight Carbon
Pedals Available Separately






  Frame Size XS S M L XL
  Recommended Height 5'2" - 5"6" 5'6" - 5"8" 5'8" - 5"11" 5'11" - 6"2" 6'2" - 6"5"
A Seat Tube (mm) 490 510 540 565 590
C Top Tube (mm) - Effective 510 530.4 548 569.1 590.7
H Chainstay (mm) 405 405 405 405 405
I Wheelbase (mm) 952.3 967.2 970.5 986.1 1004.6
G Fork Offset (mm) 43 43 43 43 43
E Head Tube Angle (deg) 72 72.1 73.1 73.1 73.1
D Seat Tube Angle (deg) 74 73.5 73 72.5 72
F Head Tube (mm) 120 132.8 145 171.1 197.3
Standover Height (mm) 740 755 775 790 810
  Stack (mm) 521.7 534.2 549.2 574.2 599.3
  Reach (mm) 360.4 372.2 380.1 388.1 396
  Crank (mm) 170 172.5 172.5 175 175

Tommaso Size Chart
Size Chart Coming Soon. Please refer to the size chart at the bottom of the page.