Bike details
Overview
Key information split into simple groups.
Bike summary
-
-
Frame Steel -
Groupset GRX Di2, GRX 800 -
Suspension Rigid -
Drivetrain 2 × 11 Electronic -
Brakes Hydraulic Disc
Sizing
Recommended size guide.
48cm
151cm - 160cm
50cm
157cm - 168cm
52cm
163cm - 172cm
54cm
170cm - 180cm
56cm
175cm - 185cm
58cm
180cm - 188cm
60cm
185cm - 193cm
62cm
188cm - 198cm
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
Dedacciai Zero / Uno custom-shaped performance steel.
Suspension Fork
Mason Rangefinder AS custom tuned, full carbon, thru-axle fork with accessory and rack-mounts.
Drivetrain
Shift Levers
Shimano GRX-815 Di2 Shifting.
Cassette
Shimano M8000 11-42. / CS800 11-34
Crank
Shimano GRX-810 1x (42T) / 2x (48/31)
Chain
Shimano HG701 11 Spd.
Wheels
Rims
HUNT Four Season Gravel Disc X-Wide / Mason X HUNT 650B AdventureSport Disc. Other models available.
Tires
Choice of Schwalbe, Panaracer, WTB.
Brakes
Brakes
Hydraulic Disc
Cockpit
Stem
DEDA Zero100.
Handlebar
Deda Gravel100
Headset
Deda Classic 44mm Press-in Headset.
Seat
Saddle
Fizik Terra Argo X3.
Seatpost
MASON Penta carbon, microadjust.
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | 48cm | 50cm | 52cm | 54cm | 56cm | 58cm | 60cm | 62cm |
|---|---|---|---|---|---|---|---|---|
| Stack Reach Ratio | 1.5 mm | 1.54 mm | 1.54 mm | 1.55 mm | 1.56 mm | 1.54 mm | 1.59 mm | 1.6 mm |
| Front Center | 590 mm | 595.3 mm | 606.8 mm | 616 mm | 619.5 mm | 632.9 mm | 643.9 mm | 651.5 mm |
| Rake | 50 mm | 50 mm | 50 mm | 50 mm | 50 mm | 50 mm | 50 mm | 50 mm |
| Trail | 70 mm | 70 mm | 67 mm | 67 mm | 64 mm | 61 mm | 61 mm | 58 mm |
| Stack | 531.1 mm | 545.2 mm | 561.2 mm | 573.3 mm | 584.8 mm | 599 mm | 622.7 mm | 639 mm |
| Reach | 354.9 mm | 355 mm | 365.6 mm | 370 mm | 374.9 mm | 387.9 mm | 390.9 mm | 398.6 mm |
| Top Tube Length | 510.9 mm | 515 mm | 530 mm | 548.3 mm | 556.5 mm | 579.2 mm | 589.6 mm | 602.3 mm |
| Seat Tube Angle | 74 ° | 74 ° | 74 ° | 73 ° | 73 ° | 72.5 ° | 72.5 ° | 72.5 ° |
| Seat Tube Length | 480 mm | 500 mm | 520 mm | 540 mm | 560 mm | 580 mm | 600 mm | 620 mm |
| Head Tube Angle | 69.5 ° | 69.5 ° | 70 ° | 70 ° | 70.5 ° | 71 ° | 71 ° | 71.5 ° |
| Head Tube Length | 100 mm | 115 mm | 130 mm | 145 mm | 155 mm | 170 mm | 195 mm | 210 mm |
| Chainstay Length | 430 mm | 430 mm | 430 mm | 430 mm | 430 mm | 430 mm | 430 mm | 430 mm |
| Wheelbase | 1008 mm | 1013 mm | 1025 mm | 1034 mm | 1038 mm | 1052 mm | 1063 mm | 1071 mm |
| Bottom Bracket Drop | 77 mm | 77 mm | 77 mm | 75 mm | 75 mm | 73 mm | 73 mm | 73 mm |
| Standover Height | 716 mm | 742 mm | 762 mm | 782 mm | 798 mm | 817 mm | 839 mm | 855 mm |
| Wheels | 650 | 650 | 650 | 650 | 650 | 650 | 650 | 650 |
| Rider Min Height | 151 cm | 157 cm | 163 cm | 170 cm | 175 cm | 180 cm | 185 cm | 188 cm |
| Rider Max Height | 160 cm | 168 cm | 172 cm | 180 cm | 185 cm | 188 cm | 193 cm | 198 cm |
Model Overview
Exposure GRX Di2 completes the Mason Exposure model. Mason launched 5 bikes of this model so far. You can get a glimpse at all models from 2023, by clicking on this link.
Model range prices
Mason Exposure GRX 2023 is the most affordable bike of this model and has a price of 4847$. On the other hand, Mason Exposure GRX Di2 2023, is the most expensive and costs 5900$.
Safety
Your safety should be the top priority when you go for a ride. In short, make sure that you always use a helmet, high visibility clothing, and proper lights when riding at night-time.
Average price for Gravel bikes
According to our math, the average price for a trustworthy Gravel bike is 2462$. However, even though the average price of a Gravel bike is lower, you might still be able to get a top-quality bike. As a general rule of thumb, you should always read reviews about the bike and its components before buying it to ensure you don’t pay too much.
This bike was released in 2023 and its price was 5900$. If we compare this with the average Gravel bike cost we notice that the price is 139.64% more expensive.
Overview of components
Fork material
The fork on this bike is made out of carbon, so, it is super light and stiff. In conclusion, a carbon fork gives you great control when steering, and is also more forgiving.
Wheels size
The wheels on Exposure GRX Di2 are the aluminum type. The 650b wheels are very similar to 700c, with a slight difference in diameter. However, if speed is what you’re after, 700c wheels are a better fit.
Brakes
Stopping the bike when needed, it’s essential for your safety. This bike has Hydraulic Disc brakes. Hydraulic disc brakes provide amazing stopping power, no matter what the terrain. To sum up, you can ride your bike with confidence.
Sizes
There are 8 sizes available for this model. Rider height can be anywhere between 151 cm – 198 cm (4.95 ft – 6.5 ft). In conclusion, finding one for you shouldn’t be a problem.