Bike details
Overview
Key information split into simple groups.
Bike summary
-
Category -
Frame Aluminum -
Wheels 29" -
Travel Front 100mm -
Fork RST AERIAL
-
Groupset Alivio, Shimano -
Suspension Hardtail -
Drivetrain 2 × 9 -
Brakes Hydraulic Disc
Sizing
Recommended size guide.
16"
155cm - 168cm
18"
166cm - 182cm
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
hydroformed alloy 6061 29" (ASL)
Suspension Fork
RST Aerial 29 TRL air, remote lock out (100 mm)
Drivetrain
Rear Derailleur
SHIMANO Alivio
Shift Levers
SHIMANO Alivio (18)
Cassette
SHIMANO HG400-9, 11-36 (9)
Crank
SHIMANO MT210-2, 36-22 teeth, 170 / 175 mm cranks
Chain
KMC Z9
Pedals
AUTHOR alloy
Wheels
Front Hub
QUANDO Disc, 32 holes
Rear Hub
QUANDO Disc, 32 holes
Rims
AUTHOR Xenon TRC 29, 32 holes
Spokes
black steel
Tires
AUTHOR Speed Master 29" × 2.00"
Brakes
Brakes
TEKTRO HD-M280, disc hydraulic (7" rotors)
Cockpit
Stem
AUTHOR alloy
Handlebar
AUTHOR Flatbar, 9°, 680 / 700 mm
Grips
AUTHOR GripLock foam
Seat
Saddle
AUTHOR Fenix
Seatpost
AUTHOR alloy (31.6)
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | 16" | 18" |
|---|---|---|
| Stack Reach Ratio | 1.664 mm | 1.598 mm |
| Bottom Bracket Height | 314 mm | 314 mm |
| Front Center | 648 mm | 668 mm |
| Rake | 51 mm | 51 mm |
| Trail | 86 mm | 86 mm |
| Stack | 629 mm | 633 mm |
| Reach | 378 mm | 396 mm |
| Top Tube Length | 570 mm | 590 mm |
| Seat Tube Angle | 73 ° | 73 ° |
| Seat Tube Length | 406 mm | 457 mm |
| Head Tube Angle | 69.5 ° | 69.5 ° |
| Head Tube Length | 115 mm | 120 mm |
| Chainstay Length | 450 mm | 450 mm |
| Wheelbase | 1091 mm | 1111 mm |
| Bottom Bracket Drop | 60 mm | 60 mm |
| Wheels | 29" | 29" |
| Rider Min Height | 155 cm | 166 cm |
| Rider Max Height | 168 cm | 182 cm |
Model Overview
Spirit 29 ASL is part of the Author Spirit model. There are 20 bikes that carry this model name. You can get a glimpse at all models from 2024, by clicking on this link.
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.
Average price for Crosscountry bikes
Our math shows that the average cost of a dependable Crosscountry bike is 1905$. However, paying less money than this amount doesn’t mean that you couldn’t get a great Crosscountry bike. In short, before purchasing your ideal bike do some research about its components, and also check for reviews online.
Crosscountry bikes average weight
If we make a quick analysis of the average weight of a Crosscountry bike, we get 12.4 kg (27.34 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.
With a weight of 13.9 kg (30.64 lbs), Author bike is considerably heavier than average. To sum up, it’s 12.1% heavier than the average weight of Crosscountry bikes.
Spirit 29 ASL components
Fork
The Spirit 29 ASL comes factory-installed with the RST AERIAL fork. This has a travel range of 100mm. Bike forks are perfect to absorb shocks and provide a great riding experience overall. To sum up, when buying a bicycle, make sure you get a fork that is capable of delivering decent travel.
Wheels
The Spirit 29 ASL 2024 bike is equipped with 29″ aluminum wheels when leaving the factory. Having 29″ wheels means that you need less fork travel, leading to a reduction of the pedal bob effect. However, these wheels are not ideal for smaller people.
Brakes
Nothing is more important on a bike than its ability to brake properly. Author Spirit 29 ASL is equipped with Hydraulic Disc brakes. Hydraulic disc brakes provide amazing stopping power, no matter what the terrain. To sum up, these are ideal for anyone.
Sizes
There are 2 sizes available for this model. Rider height can be anywhere between 155 cm – 182 cm (5.09 ft – 5.97 ft). In conclusion, finding one for you shouldn’t be a problem.