Bike details
Key information split into simple groups.
Bike summary
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Category
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Frame Aluminum
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Wheels 29"
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Travel Front 100mm
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Fork RST AERIAL
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Groupset Alivio, Shimano
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Suspension Hardtail
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Drivetrain 2 × 9
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Brakes Hydraulic Disc
Recommended size guide.
17"
168cm - 180cm
19"
177cm - 190cm
21"
187cm - 202cm
Parts list
Main components, grouped by system.
Bike components
Frame
Frame
hydroformed alloy 6061 29"
Suspension Fork
RST Aerial 29 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 / 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
VITTORIA Barzo 29" × 2.10"
Brakes
Brakes
TEKTRO HD-M280, disc hydraulic (7" rotors)
Cockpit
Stem
AUTHOR alloy
Handlebar
AUTHOR Flatbar, 9°, 700 / 720 mm
Grips
AUTHOR Pro Lock
Seat
Saddle
AUTHOR Navigator
Seatpost
AUTHOR alloy (31.6)
Fit data
Numbers for sizing and ride feel.
| Size | 17" | 19" | 21" |
|---|---|---|---|
| Stack Reach Ratio | 1.539 mm | 1.514 mm | 1.478 mm |
| Bottom Bracket Height | 311 mm | 311 mm | 311 mm |
| Front Center | 682 mm | 703 mm | 724 mm |
| Rake | 51 mm | 51 mm | 51 mm |
| Trail | 89 mm | 89 mm | 89 mm |
| Stack | 628 mm | 642 mm | 652 mm |
| Reach | 408 mm | 424 mm | 441 mm |
| Top Tube Length | 600 mm | 620 mm | 640 mm |
| Seat Tube Angle | 73 ° | 73 ° | 73 ° |
| Seat Tube Length | 432 mm | 483 mm | 535 mm |
| Head Tube Angle | 69 ° | 69 ° | 69 ° |
| Head Tube Length | 115 mm | 130 mm | 140 mm |
| Chainstay Length | 450 mm | 450 mm | 450 mm |
| Wheelbase | 1125 mm | 1146 mm | 1167 mm |
| Bottom Bracket Drop | 63 mm | 63 mm | 63 mm |
| Wheels | 29" | 29" | 29" |
| Rider Min Height | 168 cm | 177 cm | 187 cm |
| Rider Max Height | 180 cm | 190 cm | 202 cm |
About this model
Spirit 29 is part of the Author Spirit model. 20 bikes variations carry this model name so far. Check out the entire range from 2024 of this model, by clicking 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
According to our calculations, the average cost of a Crosscountry bike that is reliable is 1905$. However, this doesn’t mean that if you spend less money on a Crosscountry bike, you couldn’t get a decent one. To make sure you don’t pay a higher amount than normal for your bike, always do some components analysis and read reviews.
Crosscountry bikes average weight
Crosscountry bikes weigh an average of 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.
With a weight of 14.2 kg (31.31 lbs), Author bike is considerably heavier than average. To sum up, it’s 14.52% heavier than the average weight of Crosscountry bikes.
Overview of components
Fork
Author Spirit 29 2024 bike is equipped with the RST AERIAL fork, and has 100mm travel. 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
When leaving the production line, the Spirit 29 model has 29″ aluminum wheels. With 29″ wheels, bumps will feel lighter and you’ll gain more speed on descends, compared to smaller wheel-sized bikes. However, the 29″ wheels will add a little more weight to the bike itself.
Brakes
When you want to stop the bike in time, the brakes are vital. The Spirit 29 has Hydraulic Disc brakes. These kinds of brakes are among the most popular models used on bikes. To sum up, you can ride your bike with confidence.
Sizes
This bike is available in 3 sizes. They vary from 168 cm – 202 cm (5.51 ft – 6.63 ft). In conclusion, you won’t have a problem finding one that suits you.
