Bike details
Overview
Key information split into simple groups.
Bike summary
-
-
Frame Carbon -
Wheels 700c / 650b -
Groupset GRX Di2, GRX 800 -
Suspension Rigid -
Drivetrain 2 × 11 Electronic -
Brakes Hydraulic Disc
Sizing
Recommended size guide.
XS
156cm - 166cm
XS
156cm - 166cm
SM
163cm - 174cm
SM
163cm - 174cm
MD
171cm - 182cm
MD
171cm - 182cm
LG
179cm - 189cm
LG
179cm - 189cm
XL
185cm - 195cm
XL
185cm - 195cm
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
Carbon Fiber
Suspension Fork
Boundary Carbon, Multiple Rack/Fender/Cargo Mounts
Drivetrain
Rear Derailleur
Shimano GRX RX815 Di2
Front Derailleur
Shimano GRX RX815 Di2
Shift Levers
Shimano GRX RX815 Di2
Cassette
Ultegra HG800 11-34
Crank
Shimano GRX RX810 48x31
Bottom Bracket
Shimano BB86
Chain
Shimano HG701
Pedals
Not Included
Wheels
Rims
Select Wheels Above
Tires
Panaracer Gravel King SK 700x43c Tubeless
Brakes
Brakes
Shimano GRX RX810 Hydraulic
Disk Rotors
Shimano XT MT800 160mm
Cockpit
Stem
FSA Energy
Handlebar
FSA A-Wing AGX Alloy
Headset
Cane Creek 40 Series
Seat
Saddle
WTB Volt Medium Cromoly
Seatpost
FSA SL-K Carbon
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | XS | XS | SM | SM | MD | MD | LG | LG | XL | XL |
|---|---|---|---|---|---|---|---|---|---|---|
| Stack Reach Ratio | 1.44 mm | 1.44 mm | 1.48 mm | 1.48 mm | 1.5 mm | 1.5 mm | 1.53 mm | 1.53 mm | 1.54 mm | 1.54 mm |
| Bottom Bracket Height | 282 mm | mm | 282 mm | mm | 282 mm | mm | 282 mm | mm | 282 mm | mm |
| Front Center | 594 mm | 594 mm | 595 mm | 595 mm | 600 mm | 600 mm | 611 mm | 611 mm | 626 mm | 626 mm |
| Rake | 50 mm | 50 mm | 50 mm | 50 mm | 50 mm | 50 mm | 50 mm | 50 mm | 50 mm | 50 mm |
| Trail | 71 mm | 64 mm | 73 mm | 66 mm | 64 mm | 58 mm | 61 mm | 55 mm | 61 mm | 55 mm |
| Stack | 542 mm | 542 mm | 562 mm | 562 mm | 573 mm | 573 mm | 595 mm | 595 mm | 614 mm | 614 mm |
| Reach | 376 mm | 376 mm | 380 mm | 380 mm | 381 mm | 381 mm | 390 mm | 390 mm | 399 mm | 399 mm |
| Top Tube Length | 525 mm | 525 mm | 540 mm | 540 mm | 555 mm | 555 mm | 570 mm | 570 mm | 585 mm | 585 mm |
| Seat Tube Angle | 74.5 ° | 74.5 ° | 74 ° | 74 ° | 73 ° | 73 ° | 73 ° | 73 ° | 73 ° | 73 ° |
| Seat Tube Length | 490 mm | 490 mm | 520 mm | 520 mm | 540 mm | 540 mm | 560 mm | 560 mm | 580 mm | 580 mm |
| Head Tube Angle | 70.5 ° | 70.5 ° | 71 ° | 71 ° | 71.5 ° | 71.5 ° | 72 ° | 72 ° | 72 ° | 72 ° |
| Head Tube Length | 120 mm | 120 mm | 140 mm | 140 mm | 150 mm | 150 mm | 170 mm | 170 mm | 190 mm | 190 mm |
| Chainstay Length | 440 mm | 440 mm | 440 mm | 440 mm | 440 mm | 440 mm | 440 mm | 440 mm | 440 mm | 440 mm |
| Wheelbase | 1025 mm | 1025 mm | 1026 mm | 1026 mm | 1031 mm | 1031 mm | 1042 mm | 1042 mm | 1057 mm | 1057 mm |
| Bottom Bracket Drop | 67 mm | 67 mm | 67 mm | 67 mm | 67 mm | 67 mm | 67 mm | 67 mm | 67 mm | 67 mm |
| Standover Height | 764 mm | 764 mm | 791 mm | 791 mm | 808 mm | 808 mm | 828 mm | 828 mm | 848 mm | 848 mm |
| Wheels | 700 | 650 | 700 | 650 | 700 | 650 | 700 | 650 | 700 | 650 |
| Rider Min Height | 156 cm | 156 cm | 163 cm | 163 cm | 171 cm | 171 cm | 179 cm | 179 cm | 185 cm | 185 cm |
| Rider Max Height | 166 cm | 166 cm | 174 cm | 174 cm | 182 cm | 182 cm | 189 cm | 189 cm | 195 cm | 195 cm |
About this model
Boundary GRX 810 Di2 belongs to the Obed Boundary model. Obed launched 23 bikes of this model so far. You can get a glimpse at all models from 2021, by clicking on this link.
Model range prices
Obed Boundary GRX 400 2021 is the most affordable bike of this model and has a price of 2195$. On the other hand, Obed Boundary Campy Ekar 1×13 2021, is the most expensive and costs 3995$.
Safety
Take safety seriously when you ride your bike, and always wear your helmet. Moreover, don’t ride on the sidewalk. This is actually against the law in some states and can be dangerous for both you and pedestrians.
Average price for Gravel bikes
According to our math, the average price for a trustworthy Gravel bike is 2462$. However, even if your budget is less than the average, you might still be able to get a top-quality Gravel bike. To make sure you don’t pay a higher amount than normal for your bike, always do some components analysis and read reviews.
When Obed released this model in 2021, its price was 3724$. Comparing this to the average Gravel bike price, we see that the price is 51.26% more expensive.
Overview of components
Fork material
The fork on this bike is made out of carbon, so, its weight is considerably lighter than one made out of steel. However, they cost a bit more than steel forks.
Wheels
The wheels on Boundary GRX 810 Di2 are the 700c aluminum type. There is no doubt, that 700c wheels are very popular on all road bike models. However, while they give you great speed and control, these wheels are not so bump-friendly.
Brakes
When you want to stop the bike in time, the brakes are vital. The Boundary GRX 810 Di2 has Hydraulic Disc brakes. These kinds of brakes are among the most popular models used on bikes. To sum up, your safety is in good hands.
Sizes
There are 10 sizes available for this model. Rider height can be anywhere between 156 cm – 195 cm (5.12 ft – 6.4 ft). In conclusion, you won’t have a problem finding one that suits you.