Bike details
Overview
Key information split into simple groups.
Bike summary
-
-
Frame Carbon -
Wheels 27.5" -
Travel Front 200mm -
Travel Rear 200mm -
Fork RockShox BoXXer
-
Groupset GX, Race Face -
Suspension Full -
Drivetrain 1 × 7 -
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
Aurum carbon / alloy 27.5
Suspension Fork
Rock shox Boxxer RC 27.5
Rear Shock
Rock shox KAGE RC coil spring
Drivetrain
Rear Derailleur
SRAM GX DH 7 speed mid cage
Front Derailleur
N/A
Shift Levers
N/A
Cassette
SRAM CS PG 720 DH 11-25T cassette
Crank
Race Face Chester crank 36T
Bottom Bracket
Comes with crank
Chain
SRAM PC 1110 11 speed chain
Chain Tensioner
E13 LG 1 guide, steel backplate w/lower guard
Pedals
N/A
Wheels
Front Hub
DT 370 front 20x110mm
Rear Hub
DT 370 rear hub 142x12 mm
Rims
WTB STP I29
Tires
Maxxis Minion DHF frnt , DHR II rear 27.5x2.40 Super Tacky
Brakes
Brakes
SRAM Guide R hydraulic w/200mm rotor
Brake Levers
SRAM Guide R
Disk Rotors
N/A
Cockpit
Stem
Race Face Chester DM 35 stem
Handlebar
Race Face Chester Bar 780mm
Grips
Norco Lock On Grip
Headset
FSA #57E-1 1.5" to 1-1/8"" w / 1-1/8"" crown race "
Seat
Saddle
SDG I Fly 2.0 I Beam
Seatpost
I Beam 30.9
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | SM | MD | LG | XL |
|---|---|---|---|---|
| Stack Reach Ratio | 1.532 mm | 1.479 mm | 1.435 mm | 1.392 mm |
| Bottom Bracket Height | 343 mm | 343 mm | 343 mm | 343 mm |
| Front Center | 752 mm | 776 mm | 801 mm | 825 mm |
| Rake | 52 mm | 52 mm | 52 mm | 52 mm |
| Trail | 123 mm | 123 mm | 123 mm | 123 mm |
| Stack | 602 mm | 611 mm | 620 mm | 629 mm |
| Reach | 393 mm | 413 mm | 432 mm | 452 mm |
| Top Tube Length | 539 mm | 571 mm | 603 mm | 635 mm |
| Seat Tube Angle | 76.4 ° | 75.5 ° | 74.64 ° | 73.8 ° |
| Seat Tube Length | 400 mm | 420 mm | 440 mm | 460 mm |
| Head Tube Angle | 63 ° | 63 ° | 63 ° | 63 ° |
| Head Tube Length | 100 mm | 110 mm | 120 mm | 130 mm |
| Chainstay Length | 425 mm | 435 mm | 445 mm | 455 mm |
| Wheelbase | 1177 mm | 1211 mm | 1245 mm | 1280 mm |
| Bottom Bracket Drop | 12 mm | 12 mm | 12 mm | 12 mm |
| Standover Height | 737 mm | 737 mm | 742 mm | 748 mm |
| Front Travel | 200 mm | 200 mm | 200 mm | 200 mm |
| Rear Travel | 200 mm | 200 mm | 200 mm | 200 mm |
| Wheels | 27" | 27" | 27" | 27" |
| Rider Min Height | 158 cm | 168 cm | 178 cm | 186 cm |
| Rider Max Height | 171 cm | 180 cm | 189 cm | 199 cm |
Model Overview
Aurum C7.3 is a Norco Aurum model. 70 bikes variations carry this model name so far. You can easily view all of the Norco Aurum bikes models from 2017, here.
Model range prices
Norco Aurum A7.2 2017 is the most affordable bike of this model and has a price of 2899$. On the other hand, Norco Aurum C7.1 2017, is the most expensive and costs 7299$.
Safety
Your safety should be the top priority when you go for a ride. In short, make sure that you always use a helmet, high visibility clothing, and proper lights when riding at night-time.
Average price for Downhill bikes
Our math shows that the average cost of a dependable Downhill bike is 3391$. However, paying less money than this amount doesn’t mean that you couldn’t get a great Downhill bike. To make sure you don’t pay a higher amount than normal for your bike, always do some components analysis and read reviews.
This bike was released in 2017 and its price was 3999$. Doing a quick comparison, we notice that Aurum C7.3 price is 17.93% higher than the average cost of a Downhill bike.
Aurum C7.3 components
Fork
This bike has the RockShox BoXXer fork installed. The fork’s travel is 200mm. 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
As for the rear shock, this bike has the Rock shox KAGE RC coil spring model, with a travel of 200mm. Bike rear shocks are a great way to increase comfort on the bike and give you more control when riding on technical trails. In conclusion, to increase your riding experience, get a bike with a rear shock if possible.
Wheels
As for the wheels, Norco Aurum C7.3 2017, has a 27.5″ aluminum model. These wheels will provide you with more control over the bike. However, the overall traction of 27.5″ wheels is lower than 29″ wheels.
Brakes
When you want to stop the bike in time, the brakes are vital. The Aurum C7.3 has Hydraulic Disc brakes. Hydraulic disc brakes provide amazing stopping power, no matter what the terrain. To sum up, your safety is in good hands.
Sizes
Aurum C7.3 comes in 4 sizes, that range from 158 cm – 199 cm (5.18 ft – 6.53 ft). In conclusion, finding one for you shouldn’t be a problem.