Vento TT

Size Guide

Collections: Aluminum Bikes, Bikes, Triathlon

Type: Road Bike


The Vento TT is the ultimate value Triathlon and Time Trial machine. A lightweight, aerodynamic aluminum frame with internal cable routing makes for a sleek and fast ride. Geometry is perfectly designed for maximum comfort and efficiency, for riders who spend a lot of time in the saddle. Shimano Tiagra gearing offers 20 powerful speeds to make your best times ever.



Tommaso 6061 SLA Aluminum Triathlon Frame features lightweight performance and internal cable routing, for high speed aerodynamic performance.


Shimano Tiagra gearing is responsive and built for speed. A 50/34T crankset matches perfectly with an 11-25T cassette for improved acceleration and the high sustained speeds you need to achieve your triathlon goals.


Tommaso Corsa TC-40 rims with bladed spokes offer amazing aerodynamics, increased rolling speed, and added stability.




  • Tommaso SLA 6061 ALuminum Aereo Frame

  • Shimano Tiagra Derailleurs

  • FSA Gossamer External Bearing Crankset

  • Shimano Tiagra 11x25T Cassette

  • Tommaso TC-40 Aero Wheelset

  • Tektro R340 Brakes

  • Tommaso TRS Tri Saddle

  • FSA Vision Aluminum Aero R-bend Handlebars

  • Tommaso TRS Ultralight Sport Series Stem






    Frame Tommaso 6061 SLA Aluminum Triathlon Frame
    Fork Tommaso HCT Carbon Fiber Aero Leg Fork
    Sizes XS, S, M, L, XL
    Headset 1-1/8" Threadless Integrated


    Shifters Microshift
    Front Derailleur Shimano Tiagra (2-spd)
    Rear Derailleur Shimano Tiagra (10-spd)
    Cassette Shimano Tiagra 11-25T 10spd
    Speeds 2x10 (20 Total Speeds)
    Crankset FSA Vero 34/50T
    Crank Arm Length 170mm (XS Frame) / 172.5mm (S, M Frames) / 175mm (L, XL Frames)
    Chain KMC X10 (10spd Chain)
    Bottom Bracket 68x103mm Square


    Brakes Tektro R340 Brake Calipers
    Brake Levers Tektro RX 4.1


    Wheelset Tommaso TC-40 Wheelset - 30mm Rim - 20 Front/24 Rear Aero Bladed Spokes
    Tires Kenda K191 700x23c
    Tubes 700 x 23c Presta


    Handlebar Tommaso Alloy Aero Bar
    Handlebar Width 400mm (XS Frame) / 420mm (S, M, L Frames) / 440mm (XL Frame)
    Handlebar Reach 80mm
    Handlebar Drop 125mm
    Handlebar Tape Tommaso Cork Tape Black
    Stem: Tommaso TRS Ultralight Sport Series
    Stem Length 75mm (XS Frame) / 90mm (S Frame) / 105mm (M Frame) / 120mm (L, XL Frames)
    Saddle WTB Volt - Tommaso Logo
    Seatpost Tommaso TRS Ultralight Race Series Aluminum 27.2mm
    Pedals Composite Flat






    Frame Size XS S M L XL
    Recommended Height 5'2" - 5'5" 5'5" - 5'8" 5'8" - 5'10" 5'10" - 6'0" 6'0" - 6'4"
    A Seat Tube (mm) 480 510 540 580 610
    C Top Tube (mm) - Effective 470 495 520 545 570
    H Chainstay (mm) 395 395 395 395 395
    I Wheelbase (mm) 946.1 970.9 996.7 1025.4 1052.2
    D Seat Tube Angle (deg) 78 78 78 78 72.5
    F Head Tube (mm) 120 120 130 170 190
    Standover Height (mm) 730 760 780 800 820
    Stem (mm) 75 90 105 120 120
    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.