Bike details
Overview
Key information split into simple groups.
Bike summary
-
-
Frame Aluminum -
Wheels 700c -
Groupset GRX 800, 105 -
Suspension Rigid -
Drivetrain 2 × 11 -
Brakes Mechanical Disc
Sizing
Recommended size guide.
XS
156cm - 166cm
SM
163cm - 174cm
MD
171cm - 182cm
LG
179cm - 189cm
XL
185cm - 195cm
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
Meta 30 aluminum
Suspension Fork
Full carbon tapered 1-1/2 to 1-1/8 in
Drivetrain
Rear Derailleur
Shimano GRX-810
Front Derailleur
Shimano 105 R7000
Shift Levers
Shimano 105 R7000 2x11
Cassette
Shimano 11-34
Crank
FSA Omega Adventure
Bottom Bracket
FSA sealed BSC threaded
Chain
Shimano HG11
Pedals
N/A
Wheels
Front Hub
Alex Bear Pawls through axle 12 mm fr/rr
Rear Hub
Alex Bear Pawls through axle 12 mm fr/rr
Rims
Weinmann U28TL
Tires
Kenda Flintridge Pro 700 x 35 CSK
Brakes
Brakes
Promax Decode R Flat Mount twin piston disc
Brake Levers
Shimano 105 R7000
Cockpit
Stem
Promax
Handlebar
X-Race Aero 16° flare
Headset
FSA Orbit integrated sealed
Seat
Saddle
Selle Italia X3 XP Keramid
Seatpost
Promax alloy 27.2 x 300
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | XS | SM | MD | LG | XL |
|---|---|---|---|---|---|
| Stack Reach Ratio | 1.47 mm | 1.51 mm | 1.54 mm | 1.56 mm | 1.58 mm |
| Bottom Bracket Height | 271 mm | 273 mm | 275 mm | 276 mm | 277 mm |
| Stack | 552 mm | 571 mm | 589 mm | 609 mm | 629 mm |
| Reach | 375 mm | 379 mm | 383 mm | 391 mm | 399 mm |
| Top Tube Length | 529 mm | 543 mm | 558 mm | 577 mm | 598 mm |
| Seat Tube Angle | 74.5 ° | 74 ° | 73.5 ° | 73 ° | 72.5 ° |
| Seat Tube Length | 450 mm | 480 mm | 510 mm | 545 mm | 580 mm |
| Head Tube Angle | 70.5 ° | 71 ° | 71.5 ° | 72 ° | 72.5 ° |
| Head Tube Length | 133 mm | 153 mm | 173 mm | 193 mm | 213 mm |
| Chainstay Length | 424 mm | 426 mm | 426 mm | 428 mm | 428 mm |
| Bottom Bracket Drop | 78 mm | 76 mm | 74 mm | 73 mm | 72 mm |
| Standover Height | 742 mm | 765 mm | 790 mm | 817 mm | 846 mm |
| Wheels | 700 | 700 | 700 | 700 | 700 |
| Rider Min Height | 156 cm | 163 cm | 171 cm | 179 cm | 185 cm |
| Rider Max Height | 166 cm | 174 cm | 182 cm | 189 cm | 195 cm |
Model Overview
HORIZON AL 105-GRX belongs to the Opus Horizon model. Opus launched 13 bikes of this model so far. You can get a glimpse at all models from 2022, by clicking on this link.
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.
Gravel bikes average price
If you want an acceptable Gravel bike you should know that the average price is 2462$. However, this doesn’t mean that if you spend less money on a Gravel bike, you couldn’t get a decent one. 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.
Average weight for Gravel bikes
The average weight for Gravel bikes is 8.13 kg (17.92 lbs). A lighter bike will give you some extra advantage when climbing. A heavier bike will have more speed for descents.
With a weight of 10.34 kg (22.8 lbs), Opus bike is much heavier than average. To sum up, it’s 27.18% heavier than the average weight of Gravel bikes.
HORIZON AL 105-GRX 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 HORIZON AL 105-GRX are the 700c aluminum type. These are the most popular wheels for road, aero, gravel, cyclocross, race, and gravel bikes. 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 HORIZON AL 105-GRX has 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
Opus HORIZON AL 105-GRX bike has 5 sizes, in the range of 156 cm – 195 cm (5.12 ft – 6.4 ft). In conclusion, you won’t have a problem finding one that suits you.