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"
168cm - 180cm
19"
177cm - 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 CTD Remote O/C 100 air, remote lock out 15 mm thru axle 1.5" tapered steerer (100 mm)
Drivetrain
Rear Derailleur
SHIMANO XT "clutch"
Front Derailleur
SHIMANO XT (34.9)
Shift Levers
SHIMANO XT (20)
Cassette
SHIMANO M771-10 11-36 (10)
Crank
SHIMANO XT 40-28 teeth 170 mm cranks
Bottom Bracket
BSA, 73mm, threaded
Chain
SHIMANO HG95
Pedals
SHIMANO M780 clipless
Wheels
Front Hub
MAVIC Crossmax SL 29 TNT wheel set 24 holes 15 mm thru front axle 142 x 12 mm thru rear axle
Rear Hub
MAVIC Crossmax SL 29 TNT wheel set 24 holes 15 mm thru front axle 142 x 12 mm thru rear axle
Rims
MAVIC Crossmax SL 29 TNT wheel set 24 holes
Spokes
MAVIC
Tires
VITTORIA Mezcal kevlar TNT 29" x 2.10"
Brakes
Brakes
SHIMANO XT disc hydraulic (6" rotors)
Cockpit
Stem
RITCHEY WCS 4-Axis
Handlebar
RITCHEY WCS Flat carbon 0 mm 680 mm
Grips
AUTHOR Pro Lock
Seat
Saddle
FIZIK Antares R3
Seatpost
RITCHEY WCS 1B carbon (31.6)
Fit data
Geometry
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 |
About this model
Magnum 29 belongs to the Author Magnum model. Author released 9 bikes variations of this model so far.
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.
Crosscountry bikes average price
According to our calculations, the average cost of a Crosscountry bike that is reliable 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
Crosscountry bikes weigh an average of 12.4 kg (27.34 lbs). You will have a greater advantage on climbs if your bike is easier than the average. On descents, however, a heavier bike will give you extra speed.
much lighter than average, Magnum 29 has a weight of 10.5 kg (23.15 lbs). To sum up, it’s 18.1% lighter than the average weight of Crosscountry bikes.
Magnum 29 components
Fork
Author Magnum 29 2015 bike is equipped with the Fox Float 32 fork, and has 100mm travel. 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
The wheels on Magnum 29 are the 29″ aluminum type. Having 29″ wheels means that you need less fork travel, leading to a reduction of the pedal bob effect. However, the 29″ wheels will add a little more weight to the bike itself.
Brakes
Stopping the bike when needed, it’s essential for your safety. This bike has Hydraulic Disc brakes. Hydraulic disc brakes are perfect for mountain biking, road cycling, and commuting. To sum up, these are ideal for anyone.
Sizes
There are 3 sizes available for this model. Rider height can be anywhere between 168 cm – 202 cm (5.51 ft – 6.63 ft). In short, you can easily find one that suits you.