Bike details
Overview
Key information split into simple groups.
Bike summary
-
-
Frame aluminium -
Wheels 700c -
Groupset Tourney -
Suspension Rigid -
Drivetrain 3 × 7 -
Brakes Mechanical Disc
Sizing
Recommended size guide.
XS
157cm - 169cm
SM
166cm - 174cm
MD
171cm - 182cm
LG
179cm - 189cm
XL
187cm - 195cm
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
Tommaso 6061 SLA Aluminum Compact Road Frame
Suspension Fork
Tommaso SST Steel with Aluminum Steer Tube
Drivetrain
Rear Derailleur
Shimano Tourney (7-spd)
Front Derailleur
Shimano Tourney (3-spd)
Shift Levers
Shimano Tourney
Cassette
Shimano Tourney 12-28t - 7spd
Crank
Shimano Tourney Triple 30/39/50T
Bottom Bracket
Shimano BB - UN26
Chain
KMC Z-51 (7spd Chain)
Pedals
Composite Flat
Wheels
Rims
Tommaso Corsa TC-20D - 28 Spokes
Tires
CST Tirent All-Terrain 700x40c
Brakes
Brakes
Avid BB5 Disc Calipers
Brake Levers
Shimano Tourney
Cockpit
Stem
Tommaso Ultralight Sport Series Aluminum
Handlebar
Tommaso Ultralight Alloy Compact Flat Top Bar
Headset
1-1/8" Threadless Integrated
Seat
Saddle
Tommaso Saddle
Seatpost
Tommaso TRS Ultralight Race Series Aluminum 27.2mm
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | XS | SM | MD | LG | XL |
|---|---|---|---|---|---|
| Rake | 45 mm | 45 mm | 45 mm | 45 mm | 45 mm |
| Top Tube Length | 524 mm | 544 mm | 559 mm | 574 mm | 589 mm |
| Seat Tube Angle | 74 ° | 73.5 ° | 73 ° | 73 ° | 73 ° |
| Seat Tube Length | 450 mm | 480 mm | 510 mm | 540 mm | 570 mm |
| Head Tube Angle | 72 ° | 72 ° | 72 ° | 72.5 ° | 72.5 ° |
| Head Tube Length | 135 mm | 150 mm | 170 mm | 190 mm | 210 mm |
| Chainstay Length | 409 mm | 409 mm | 409 mm | 409 mm | 409 mm |
| Wheelbase | 972 mm | 988 mm | 998 mm | 1008 mm | 1023 mm |
| Standover Height | 724 mm | 749 mm | 769 mm | 794 mm | 819 mm |
| Wheels | 700 | 700 | 700 | 700 | 700 |
| Rider Min Height | 157 cm | 166 cm | 171 cm | 179 cm | 187 cm |
| Rider Max Height | 169 cm | 174 cm | 182 cm | 189 cm | 195 cm |
About this model
Siena Disc is part of the Tommaso Siena model. Tommaso launched 5 bikes of this model so far.
Safety
When you go for a ride, don’t forget to put your helmet on. Moreover, ride with traffic, not against it. This will help you stay visible to drivers and also makes it easier for them to see you.
Gravel bikes average price
According to our math, the average price for a trustworthy Gravel bike is 2462$. However, this doesn’t mean that if you spend less money on a Gravel bike, you couldn’t get a decent one. In short, before purchasing your ideal bike do some research about its components, and also check for reviews online.
When Tommaso released this model in 2020, its price was 639$. In conclusion, this bike price is 285.29% lower than the price of the average Gravel bike.
Siena Disc components
Fork material
The fork on this bike is made out of aluminum, so there won’t be much extra weight added to the bike. However, they are not so stiff as carbon forks are.
Wheels size
When it comes to wheels, the Siena Disc bike is equipped with the 700c aluminum model. These wheels are the most used kind for road bikes in general. However, while they give you great speed and control, these wheels are not so bump-friendly.
Brakes
We ride faster and faster, so a good braking system is essential on a bike nowadays. The Siena Disc comes with Mechanical Disc brakes. These brakes are also very popular, and a lot cheaper than hydraulic disk brakes. However, they don’t have the stopping power of hydraulic brakes.
Sizes
This bike is available in 5 sizes. They vary from 157 cm – 195 cm (5.15 ft – 6.4 ft). In short, you can easily find one that suits you.