Bike details
Key information split into simple groups.
Bike summary
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Frame aluminium
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Wheels 700c
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Groupset Tourney
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Suspension Rigid
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Drivetrain 3 × 7
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Brakes Mechanical Disc
Recommended size guide.
XS
157cm - 169cm
SM
166cm - 174cm
MD
171cm - 182cm
LG
179cm - 189cm
XL
187cm - 195cm
Parts list
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
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 a Tommaso Siena model. Tommaso released 5 bikes variations of this model so far. Take a sneak peek at all Tommaso Siena bikes models from 2021, by clicking here.
Model range prices
Tommaso Siena Disc 2021 is the cheapest bike model and costs 874$. Tommaso Siena 2021 is the most expensive one and costs 925$.
Safety
Make sure you wear a helmet on every ride, and that your bike performs well. In short, this means checking the tires, brakes, and chain to make sure everything is in good working order.
Gravel bikes average price
Our math shows that the average cost of a dependable Gravel bike is 2462$. However, paying less money than this amount doesn’t mean that you couldn’t get a great Gravel bike. To sum up, when you purchase your bike, make sure to check if it has reviews, and also do some components research.
This bike was released in 2021 and its price was 874$. Doing a quick comparison, we notice that Siena Disc price is 181.69% lower than the average cost of a Gravel bike.
Overview of components
Fork material
When it comes to the fork, this bike has an aluminum one, which is a lighter material. However, it is not as tough, nor durable as steel is.
Wheels
The wheels on Siena Disc are the 700c aluminum type. There is no doubt, that 700c wheels are very popular on all road bike models. However, these wheels don’t perform so well when passing over obstacles.
Brakes
For your safety, it is important to have quality breaks on your bike. Tommaso Siena Disc has Mechanical Disc brakes installed. They are much easier to maintain than hydraulic disk brakes. However, performance-wise there is room for improvement.
Sizes
Tommaso Siena Disc bike has 5 sizes, in the range of 157 cm – 195 cm (5.15 ft – 6.4 ft). In conclusion, you won’t have a problem finding one that suits you.
