Bike details
Overview
Key information split into simple groups.
Bike summary
-
Category -
Frame Carbon -
Wheels 29" -
Travel Front 100mm -
Fork Fox Float 32
-
Groupset X01, GX -
Suspension Hardtail -
Drivetrain 1 × 12 -
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 SC 29 100 Remote air, remote lock out 15 mm thru axle 1.5" tapered steerer (100 mm)
Drivetrain
Rear Derailleur
SRAM Eagle X01
Shift Levers
SRAM Eagle GX (12)
Cassette
SRAM GX1275 10-50 (12)
Crank
SRAM Eagle X01 (Boost) 36 teeth 175 mm cranks
Chain
SRAM Eagle GX-1
Wheels
Front Hub
MAVIC Crossmax Pro 29 wheel set 24 holes Boost 15 x 110 mm thru front axle Boost 12 x 148 mm thru rear axle
Rear Hub
MAVIC Crossmax Pro 29 wheel set 24 holes Boost 15 x 110 mm thru front axle Boost 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 WCS Flat karbon 9° 680 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 | 46 mm | 46 mm | 46 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 part of the Author Magnum model. 9 bikes variations carry this model name 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
If you want an acceptable Crosscountry bike you should know that the average price is 1905$. However, paying less money than this amount doesn’t mean that you couldn’t get a great Crosscountry bike. 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
If we make a quick analysis of the average weight of a Crosscountry bike, we get 12.4 kg (27.34 lbs). A lighter bike will give you some extra advantage when climbing. A heavier bike will have more speed for descents.
much lighter than average, Magnum 29 has a weight of 9.4 kg (20.72 lbs). In short, the average Crosscountry bike weight is 31.91% higher than this one.
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 good shock absorbers and provide a smooth ride and a great experience. In short, make sure you choose one with a decent fork when you purchase your dream bike.
Wheels size
As for the wheels, Author Magnum 29 2019, has a 29″ aluminum model. 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
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, your safety is in good hands.
Sizes
Magnum 29 comes in 3 sizes, that range 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.