Bike details
Overview
Key information split into simple groups.
Bike summary
-
-
Frame Aluminum -
Wheels 29" -
Travel Front 130mm -
Travel Rear 120mm -
Fork RockShox Recon Silver RL
-
Groupset SX Eagle -
Suspension Full -
Drivetrain 1 × 12 -
Brakes Hydraulic Disc
Sizing
Recommended size guide.
SM
158cm - 171cm
MD
168cm - 180cm
LG
178cm - 189cm
XL
186cm - 199cm
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
Aluminum
Suspension Fork
RockShox Recon RL Silver, 51mm offset
Rear Shock
RockShox Deluxe Select+, 190mm x 45mm
Drivetrain
Rear Derailleur
SRAM SX Eagle, 12-speed
Front Derailleur
None
Shift Levers
SRAM SX Eagle, 12-speed
Cassette
SRAM SX Eagle PG-1210, 12-speed, 11-50 tooth
Crank
SRAM SX Eagle PowerSpline, 170mm length
Bottom Bracket
SRAM PowerSpline, 73mm English/BSA threaded
Chain
SRAM NX Eagle, 12-speed
Chain Guide
None
Pedals
None
Wheels
Front Hub
Shimano, 110x15mm Boost front, 148x12mm Boost rear with HG driver
Rear Hub
Shimano, 110x15mm Boost front, 148x12mm Boost rear with HG driver
Rims
Sonder Nova
Spokes
Sonder Nova wheelset
Tires
Front: WTB Vigilante, Light/High Grip, 29" x 2.5", Rear: WTB Trail Boss, Tough/Fast Rolling, 29" x 2.4"
Brakes
Brakes
SRAM Level, 2-piston, Avid CenterLine rotors (180mm front, 160mm rear)
Brake Levers
SRAM Level
Cockpit
Stem
Love Mud Piskie, 35mm length, 31.8mm bar clamp
Handlebar
Aspect Riser, 31.8mm clamp diameter
Grips
WTB Wafel
Headset
Love Mud Rumour, ZS44/28.6 upper, ZS56/40 lower
Seat
Saddle
Sonder Abode
Seatpost
Sonder, 400mm length
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | SM | MD | LG | XL |
|---|---|---|---|---|
| Stack Reach Ratio | 1.433 mm | 1.377 mm | 1.323 mm | 1.289 mm |
| Bottom Bracket Height | 334 mm | 334 mm | 334 mm | 334 mm |
| Front Center | 730 mm | 749 mm | 776 mm | 797 mm |
| Rake | 54 mm | 51 mm | 49 mm | 46 mm |
| Trail | 108 mm | 111 mm | 113 mm | 116 mm |
| Stack | 602 mm | 606 mm | 615 mm | 625 mm |
| Reach | 420 mm | 440 mm | 465 mm | 485 mm |
| Top Tube Length | 587 mm | 608 mm | 636 mm | 658 mm |
| Seat Tube Angle | 74.5 ° | 74.5 ° | 74.5 ° | 74.5 ° |
| Seat Tube Length | 400 mm | 425 mm | 465 mm | 485 mm |
| Head Tube Angle | 66 ° | 66 ° | 66 ° | 66 ° |
| Head Tube Length | 100 mm | 105 mm | 115 mm | 125 mm |
| Chainstay Length | 442 mm | 445 mm | 447 mm | 450 mm |
| Wheelbase | 1169 mm | 1191 mm | 1220 mm | 1244 mm |
| Bottom Bracket Drop | 40 mm | 40 mm | 40 mm | 40 mm |
| Wheels | 29" | 29" | 29" | 29" |
| Rider Min Height | 158 cm | 168 cm | 178 cm | 186 cm |
| Rider Max Height | 171 cm | 180 cm | 189 cm | 199 cm |
Model Overview
Cortex SX Eagle completes the Sonder Cortex model. 3 bikes variations carry this model name so far. You can get a glimpse at all models from 2021, by clicking on this link.
Model range prices
Sonder Cortex SX Eagle 2021 is the cheapest bike model and costs 1949$. Sonder Cortex GX Eagle 2021 is the most expensive one and costs 2999$.
Safety
Your safety is a top priority so always wear a helmet when you ride your bike. Moreover, wear the right clothing. You want to be visible to other drivers, so avoid wearing dark clothing.
Trail bikes average price
According to our calculations, the average cost of a Trail bike that is reliable is 2762$. However, even though the average price of a Trail bike is lower, you might still be able to get a top-quality bike. As a general rule of thumb, you should always read reviews about the bike and its components before buying it to ensure you don’t pay too much.
When Sonder released this model in 2021, its price was 1949$. In conclusion, this bike price is 41.71% smaller than the price of the average Trail bike.
Overview of components
Fork
Sonder Cortex SX Eagle 2021 bike is equipped with the RockShox Recon Silver RL fork, and has 130mm travel. Bike forks absorb the shocks and give you a smooth and pleasant ride. To sum up, when buying a bicycle, make sure you get a fork that is capable of delivering decent travel.
Rear Shock
From the factory, it comes with the RockShox Deluxe Select+ rear shock model, which has a travel of 120mm. Rear shocks improve riding comfort and give you greater control over all terrains. In short, a full-suspension bike will give you the smoothest ride possible.
Wheels size
The Cortex SX Eagle 2021 bike is equipped with 29″ aluminum wheels when leaving the factory. 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. Sonder Cortex SX Eagle is equipped with Hydraulic Disc brakes. With Hydraulic Disc brakes, you’ll be able to stop on a dime, even in wet or icy conditions. To sum up, your safety is in good hands.
Sizes
This bike is available in 4 sizes. They vary from 158 cm – 199 cm (5.18 ft – 6.53 ft). In conclusion, finding one for you shouldn’t be a problem.