Bike details
Key information split into simple groups.
Bike summary
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Category
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Frame Carbon
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Wheels 29"
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Travel Front 100mm
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Fork RockShox SID
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Groupset XT
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Suspension Hardtail
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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
AUTHOR A-carbon monocoque 29"
Suspension Fork
ROCK SHOX SID 29 RLT air, remote lock out 15 mm thru axle 1.5" tapered steerer (100 mm)
Drivetrain
Rear Derailleur
SHIMANO XT
Front Derailleur
SHIMANO XT (34.9)
Shift Levers
SHIMANO XT (20)
Cassette
SHIMANO M771-10 11-36 (10)
Crank
SHIMANO XT 40-28 teeth 175 / 175 mm cranks
Bottom Bracket
BSA, 73mm, threaded
Chain
SHIMANO HG-75
Pedals
SHIMANO M780 clipless
Wheels
Front Hub
MAVIC CrossMax ST 29 TNT Wheel set 15 mm thru axle, 24 holes
Rear Hub
MAVIC CrossMax ST 29 TNT Wheel set 15 mm thru axle, 24 holes
Rims
MAVIC CrossMax ST 29 TNT Wheel set 24 holes
Spokes
MAVIC
Tires
GEAX Mezcal Kevlar TNT 29" x 2.10"
Brakes
Brakes
SHIMANO XT disc hydraulic (7" rotors)
Cockpit
Stem
EASTON EA90
Handlebar
EASTON EC70 carbon 0 mm 720 mm
Grips
AUTHOR Pro Lock
Seat
Saddle
FIZIK Antares k:ium
Seatpost
EASTON EC70 Zero carbon (31.6)
Fit data
Numbers for sizing and ride feel.
| Size | 17" | 19" | 21" |
|---|---|---|---|
| Bottom Bracket Height | 316 mm | 316 mm | 316 mm |
| Front Center | 668 mm | 686 mm | 702 mm |
| Rake | 42 mm | 42 mm | 42 mm |
| Top Tube Length | 604 mm | 628 mm | 649 mm |
| Seat Tube Angle | 73 ° | 73 ° | 72.5 ° |
| Seat Tube Length | 432 mm | 482 mm | 535 mm |
| Head Tube Angle | 70 ° | 70.5 ° | 70.5 ° |
| Head Tube Length | 115 mm | 120 mm | 125 mm |
| Chainstay Length | 448 mm | 448 mm | 448 mm |
| Wheelbase | 1110 mm | 1128 mm | 1144 mm |
| Bottom Bracket Drop | 58 mm | 58 mm | 58 mm |
| Wheels | 29" | 29" | 29" |
| Rider Min Height | 168 cm | 177 cm | 187 cm |
| Rider Max Height | 180 cm | 190 cm | 202 cm |
Model Overview
Magnum 29 belongs to the Author Magnum model. Author released 9 bikes variations of this model so far.
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.
Average price for Crosscountry bikes
According to our math, the average price for a trustworthy 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.
Magnum 29 components
Fork
The Magnum 29 comes factory-installed with the RockShox SID fork. This has a travel range of 100mm. Bike forks are great for shock absorption and provide you with a smooth ride. To sum up, when buying a bicycle, make sure you get a fork that is capable of delivering decent travel.
Wheels size
When leaving the production line, the Magnum 29 model has 29″ aluminum wheels. These wheels are more forgiving when you go over roots, rocks, bumps, or other obstacles you encounter on your ride. However, 29″ wheels will make your bike react slower to obstacles you may encounter.
Brakes
Nothing is more important on a bike than its ability to brake properly. Author Magnum 29 is equipped with Hydraulic Disc brakes. These kinds of brakes are among the most popular models used on bikes. To sum up, these are ideal for anyone.
Sizes
Magnum 29 comes in 3 sizes, that range from 168 cm – 202 cm (5.51 ft – 6.63 ft). In short, it won’t be difficult to find the right one for you.
