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 HD-M280, disc hydraulic (6" rotors)
Cockpit
Stem
AUTHOR alloy
Handlebar
AUTHOR rise 15 mm, 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 | 1.655 mm | 1.616 mm | 1.549 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 | 599 mm | 606 mm | 615 mm |
| Reach | 362 mm | 375 mm | 397 mm |
| Top Tube Length | 545 mm | 560 mm | 585 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 | 435 mm | 435 mm | 435 mm |
| Wheelbase | 1043 mm | 1064 mm | 1090 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 released 20 bikes variations of this model so far. Check out the entire range from 2024 of this model, by clicking 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.
Crosscountry bikes average price
Our math shows that the average cost of a dependable Crosscountry bike is 1905$. However, this doesn’t mean that if you spend less money on a Crosscountry bike, you couldn’t get a decent one. In conclusion, always check bike reviews and their components before making a purchase to make sure you don’t overpay.
Crosscountry bikes average weight
Crosscountry bikes weigh an average of 12.4 kg (27.34 lbs). An easier bike will give you a big advantage in climbs. However, a heavier bike can gain speed when you descend.
Spirit 27.5 ASL weighs 13.7 kg (30.2 lbs) and is considerably heavier than the average. In other words, this model is 10.48% heavier than the average Crosscountry bike.
Overview of components
Fork
The RST AERIAL is included from the factory. It has a travel distance of 100mm. Bike forks absorb the shocks and give you a smooth and pleasant ride. To sum up, when buying a bicycle, make sure you get a fork that is capable of delivering decent travel.
Wheels
When it comes to wheels, the Spirit 27.5 ASL bike is equipped with the 27.5″ aluminum model. These wheels will provide you with more control over the bike. However, these wheels have a slower top speed if you compare them to 29″ wheels.
Brakes
For your safety, it is important to have quality breaks on your bike. Author Spirit 27.5 ASL has Hydraulic Disc brakes installed. Hydraulic disc brakes provide amazing stopping power, no matter what the terrain. To sum up, you can ride your bike with confidence.
Sizes
Spirit 27.5 ASL comes in 3 sizes, that range from 140 cm – 185 cm (4.59 ft – 6.07 ft). In short, you can easily find one that suits you.