Bike details
Overview
Key information split into simple groups.
Bike summary
-
Category -
Frame Carbon -
Wheels 29" -
Travel Front 100mm -
Fork Fox Float 32
-
Groupset XT -
Suspension Hardtail -
Brakes Hydraulic Disc
Sizing
Recommended size guide.
17.5"
171cm - 181cm
19"
179cm - 190cm
21"
187cm - 202cm
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
AUTHOR A carbon monocoque 29"
Suspension Fork
FOX 32 Float 29 SC 100 Remote air remote lock out 15 mm thru axle 1.5" tapered steerer (100 mm)
Drivetrain
Rear Derailleur
SHIMANO XT
Shift Levers
SHIMANO XT (12)
Cassette
SHIMANO M7100 10-51 (12)
Crank
SHIMANO XT 36 teeth 170 / 175 mm cranks
Bottom Bracket
BSA, 73mm, threaded
Chain
SHIMANO M7100
Wheels
Front Hub
MAVIC Crossmax Pro 29 wheel set24 holes 15 x 110 mm thru front axle 12 x 148 mm thru rear axle
Rear Hub
MAVIC Crossmax Pro 29 wheel set24 holes 15 x 110 mm thru front axle 12 x 148 mm thru rear axle
Rims
MAVIC Crossmax Pro 29 wheel set 24 holes
Spokes
MAVIC
Tires
VITTORIA Barzo kevlar TNT 29" x 2.10"
Brakes
Brakes
SHIMANO XT disc hydraulic (6" rotors)
Cockpit
Stem
RITCHEY WCS C220
Handlebar
RITCHEY MTN WCS Carbon 2x9 9° 710 / 740 mm
Grips
AUTHOR Pro Lock
Seat
Saddle
PROLOGO X Zero II
Seatpost
RITCHEY WCS Carbon (31.6)
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | 17.5" | 19" | 21" |
|---|---|---|---|
| Stack Reach Ratio | 1.46 mm | 1.46 mm | 1.43 mm |
| Bottom Bracket Height | 314 mm | 314 mm | 314 mm |
| Front Center | 686 mm | 696 mm | 717 mm |
| Rake | 73 mm | 73 mm | 73 mm |
| Trail | 87 mm | 88 mm | 86 mm |
| Stack | 631 mm | 640 mm | 649 mm |
| Reach | 431 mm | 438 mm | 454 mm |
| Top Tube Length | 623 mm | 633 mm | 653 mm |
| Seat Tube Angle | 73 ° | 73 ° | 73 ° |
| Seat Tube Length | 454 mm | 480 mm | 530 mm |
| Head Tube Angle | 70 ° | 70 ° | 70 ° |
| Head Tube Length | 110 mm | 120 mm | 130 mm |
| Chainstay Length | 438 mm | 438 mm | 438 mm |
| Wheelbase | 1117 mm | 1127 mm | 1148 mm |
| Bottom Bracket Drop | 60 mm | 60 mm | 60 mm |
| Wheels | 29" | 29" | 29" |
| Rider Min Height | 171 cm | 179 cm | 187 cm |
| Rider Max Height | 181 cm | 190 cm | 202 cm |
About this model
Magnum 29 is an Author Magnum model. Author launched 9 bikes of this model so far.
Safety
Take safety seriously when you ride your bike, and always wear your helmet. Moreover, don’t ride on the sidewalk. This is actually against the law in some states and can be dangerous for both you and pedestrians.
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, 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 have an average weight 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.
Author Magnum 29 it’s weighing 9.6 kg (21.16 lbs). At this weight, is much lighter than average. In conclusion, the average Crosscountry bike weighs 29.17% more than Magnum 29.
Magnum 29 components
Fork
The fork installed on this bike is the Fox Float 32 model. The travel on this model is 100mm. Bike forks are perfect to absorb shocks and provide a great riding experience overall. To sum it all, when buying a bike, ensure that you look for a fork capable of decent travel.
Wheels
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, these wheels are not ideal for smaller people.
Brakes
For your safety, it is important to have quality breaks on your bike. Author Magnum 29 has Hydraulic Disc brakes installed. 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 171 cm – 202 cm (5.61 ft – 6.63 ft). In conclusion, it won’t take much to find one that’s right for you.