Bike details
Overview
Key information split into simple groups.
Bike summary
-
-
Frame Aluminum -
Wheels 700c -
Groupset Sora -
Suspension Rigid -
Drivetrain 2 × 9 -
Brakes Hydraulic Disc
Sizing
Recommended size guide.
50cm
160cm - 170cm
52cm
168cm - 178cm
54cm
176cm - 185cm
56cm
183cm - 193cm
58cm
190cm - 205cm
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
triple butted dural 6061
Suspension Fork
AUTHOR dural 1.5" tapered
Drivetrain
Rear Derailleur
SHIMANO Sora
Front Derailleur
SHIMANO Sora
Shift Levers
SHIMANO Sora (18)
Cassette
SHIMANO HG400-9, 11-32 (9)
Crank
PROWHEEL RPL, 48-32 teeth, 172.5 / 175 mm cranks
Chain
SHIMANO HG53
Wheels
Front Hub
QUANDO Road Disc, 12 × 100 mm thru front axle, 32 holes
Rear Hub
QUANDO Road Disc, 12 × 100 mm thru front axle, 32 holes
Rims
JALCO SRD 21, 32 holes
Spokes
black stainless steel 2.0 mm
Tires
PANARACER Gravel King SK Sport 700 × 38c
Brakes
Brakes
SHIMANO BR-UR300, disc hydraulic (160 mm rotors)
Cockpit
Stem
AUTHOR alloy
Handlebar
AUTHOR rise 15 mm, 9°, 660 / 680 mm
Seat
Saddle
AUTHOR Guru
Seatpost
AUTHOR alloy (27.2)
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | 50cm | 52cm | 54cm | 56cm | 58cm |
|---|---|---|---|---|---|
| Stack Reach Ratio | 1.45 mm | 1.487 mm | 1.518 mm | 1.534 mm | 1.579 mm |
| Bottom Bracket Height | 279 mm | 279 mm | 280 mm | 281 mm | 281 mm |
| Front Center | 599 mm | 605 mm | 616 mm | 626 mm | 630 mm |
| Rake | 45 mm | 45 mm | 45 mm | 45 mm | 45 mm |
| Trail | 76 mm | 73 mm | 73 mm | 69 mm | 65 mm |
| Stack | 548 mm | 568 mm | 586 mm | 606 mm | 627 mm |
| Reach | 378 mm | 382 mm | 386 mm | 395 mm | 397 mm |
| Top Tube Length | 530 mm | 545 mm | 560 mm | 580 mm | 595 mm |
| Seat Tube Angle | 74.5 ° | 74 ° | 73.5 ° | 73 ° | 72.5 ° |
| Seat Tube Length | 500 mm | 520 mm | 540 mm | 560 mm | 580 mm |
| Head Tube Angle | 70.5 ° | 71 ° | 71 ° | 71.5 ° | 72 ° |
| Head Tube Length | 120 mm | 140 mm | 160 mm | 180 mm | 200 mm |
| Chainstay Length | 425 mm | 425 mm | 425 mm | 425 mm | 425 mm |
| Wheelbase | 1014 mm | 1020 mm | 1031 mm | 1042 mm | 1046 mm |
| Bottom Bracket Drop | 70 mm | 70 mm | 69 mm | 68 mm | 68 mm |
| Wheels | 700 | 700 | 700 | 700 | 700 |
| Rider Min Height | 160 cm | 168 cm | 176 cm | 183 cm | 190 cm |
| Rider Max Height | 170 cm | 178 cm | 185 cm | 193 cm | 205 cm |
About this model
Aura XR2 belongs to the Author Aura model. 21 bikes variations carry this model name so far. You can easily view all of the Author Aura bikes models from 2024, here.
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
If you want to purchase a solid Gravel bike, it is important to know that the average cost is 2462$. However, paying less money than this amount doesn’t mean that you couldn’t get a great Gravel 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.
Gravel bikes average weight
On a deeper look, we notice that the average weight of a Gravel bike is 8.13 kg (17.92 lbs). You will have a greater advantage on climbs if your bike is easier than the average. On descents, however, a heavier bike will give you extra speed.
Author Aura XR2 it’s weighing 10.9 kg (24.03 lbs). At this weight, is much heavier than average. In other words, this model is 34.07% heavier than the average Gravel bike.
Overview of components
Fork material
The fork 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
As for the wheels, Author Aura XR2 2024, has a 700c aluminum model. 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
For your safety, it is important to have quality breaks on your bike. Author Aura XR2 has Hydraulic Disc brakes installed. Hydraulic disc brakes are perfect for mountain biking, road cycling, and commuting. To sum up, these are ideal for anyone.
Sizes
This bike is available in 5 sizes. They vary from 160 cm – 205 cm (5.25 ft – 6.73 ft). In conclusion, it won’t take much to find one that’s right for you.