Bike details
Overview
Key information split into simple groups.
Bike summary
-
Category -
Frame Aluminum -
Wheels 27.5" -
Travel Front 100mm -
Fork RST AERIAL
-
Groupset Alivio, Shimano -
Suspension Hardtail -
Drivetrain 2 × 9 -
Brakes Hydraulic Disc
Sizing
Recommended size guide.
14"
140cm - 158cm
16"
155cm - 170cm
18"
168cm - 185cm
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
hydroformed alloy 6061 27.5" (ASL)
Suspension Fork
RST Aerial 27.5 TRL air, remote lock out (100 mm)
Drivetrain
Rear Derailleur
SHIMANO Alivio
Front Derailleur
SHIMANO Alivio (34.9)
Shift Levers
SHIMANO Alivio (18)
Cassette
SHIMANO HG400-9 11-36 (9)
Crank
SHIMANO MT210-2 36-22 teeth 170 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 27.5 32 holes
Spokes
black steel
Tires
AUTHOR Speed Master 27.5" × 2.00"
Brakes
Brakes
TEKTRO Auriga disc hydraulic (6" rotors)
Cockpit
Stem
AUTHOR alloy
Handlebar
AUTHOR 9° 660 / 680 mm
Grips
AUTHOR GripLock foam
Seat
Saddle
AUTHOR Fenix
Seatpost
AUTHOR alloy (31.6)
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | 14" | 16" | 18" |
|---|---|---|---|
| Stack Reach Ratio | 1.64 mm | 1.6 mm | 1.54 mm |
| Bottom Bracket Height | 310 mm | 310 mm | 310 mm |
| Front Center | 612 mm | 633 mm | 659 mm |
| Rake | 44 mm | 44 mm | 44 mm |
| Trail | 83 mm | 86 mm | 86 mm |
| Stack | 606 mm | 613 mm | 622 mm |
| Reach | 369 mm | 382 mm | 404 mm |
| Top Tube Length | 552 mm | 567 mm | 592 mm |
| Seat Tube Angle | 73 ° | 73 ° | 73 ° |
| Seat Tube Length | 356 mm | 406 mm | 457 mm |
| Head Tube Angle | 70 ° | 69.5 ° | 69.5 ° |
| Head Tube Length | 110 mm | 120 mm | 130 mm |
| Chainstay Length | 442 mm | 442 mm | 442 mm |
| Wheelbase | 1050 mm | 1071 mm | 1097 mm |
| Bottom Bracket Drop | 45 mm | 45 mm | 45 mm |
| Wheels | 27" | 27" | 27" |
| Rider Min Height | 140 cm | 155 cm | 168 cm |
| Rider Max Height | 158 cm | 170 cm | 185 cm |
About this model
Spirit 27.5 ASL completes the Author Spirit model. Author launched 17 bikes of this model so far. You can get a glimpse at all models from 2022, by clicking on this link.
Safety
When cycling always take safety very seriously. Wear a helmet, obey the traffic rules and wear hi-vis clothes. In short, take care of yourself so others can take care of you.
Average price for Crosscountry bikes
If you want to purchase a solid Crosscountry bike, it is important to know that the average cost is 1905$. However, you could also get a good Crosscountry bike even if you pay a lower amount than the average price. In conclusion, always check bike reviews and their components before making a purchase to make sure you don’t overpay.
Average weight for Crosscountry bikes
The average weight for Crosscountry bikes is 12.4 kg (27.34 lbs). It is a good advantage to have a lighter bike than the average. However, a heavier bike is more efficient on descents.
Spirit 27.5 ASL weighs 13.7 kg (30.2 lbs) and is considerably heavier than the average. To sum up, it’s 10.48% heavier than the average weight of Crosscountry bikes.
Overview of components
Fork
The RST AERIAL is included from the factory. It has a travel distance of 100mm. Bike forks are perfect to absorb shocks and provide a great riding experience overall. In short, you should always ensure you have a good fork when purchasing a bike.
Wheels size
The wheels on Spirit 27.5 ASL are the 27.5″ aluminum type. 27.5″ wheels are a mixture between 29″ wheels and 26″ wheels. However, the overall traction of 27.5″ wheels is lower than 29″ wheels.
Brakes
We ride faster and faster, so a good braking system is essential on a bike nowadays. The Spirit 27.5 ASL comes with 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
Author Spirit 27.5 ASL bike has 3 sizes, in the range of 140 cm – 185 cm (4.59 ft – 6.07 ft). In short, it won’t be difficult to find the right one for you.