Bike details
Overview
Key information split into simple groups.
Bike summary
-
-
Frame Aluminum -
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 A 7.1 aluminum frame
Suspension Fork
Rock shox Boxxer RC 27.5
Rear Shock
Rock shox KAGE RC coil spring
Drivetrain
Rear Derailleur
SRAM GX DX 7 speed mid cage RD
Front Derailleur
N/A
Shift Levers
N/A
Cassette
SRAM CS PG720 11-25T
Crank
Race Face Respond DH BB 83 36T
Bottom Bracket
BB 83 threaded
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
DT E 512 30 mm inner 27.5
Tires
Maxxis Minion DHF frnt 27.5x2.5, DHR II rear 27.5x2.40 Super Tacky
Brakes
Brakes
SRAM Guide RS hydraulic w/200 mm rotor
Brake Levers
SRAM Guide RS
Disk Rotors
N/A
Cockpit
Stem
Race Face Chester DM 35 stem
Handlebar
Race Face Atlas 20mmx800mm (35mm bulge)
Grips
Race Face Half Nelson lock on grips
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 |
About this model
Aurum A7.1 is part of the Norco Aurum model. There are 70 bikes that carry this model name. Take a sneak peek at all Norco Aurum bikes models from 2017, by clicking here.
Model range prices
The most economical model, the Norco Aurum A7.2 2017 has a starting price of 2899$. Norco Aurum C7.1 2017 on the other hand is the most expensive at 7299$.
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.
Average price for Downhill bikes
If you want to purchase a solid Downhill bike, it is important to know that the average cost is 3391$. However, you could also get a good Downhill bike even if you pay a lower amount than the average price. In conclusion, always check bike reviews and their components before making a purchase to make sure you don’t overpay.
When Norco released this model in 2017, its price was 3399$. Doing a quick comparison, we notice that Aurum A7.1 price is 0.24% more expensive than the average cost of a Downhill bike.
Aurum A7.1 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. In conclusion, always look for a fork with decent travel when you buy a bike.
Rear Shock
Norco Aurum A7.1 bike has the Rock shox KAGE RC coil spring model installed, and has a travel of 200mm. Rear shocks offer better comfort, better traction, and better cornering. This allows for quicker riding on rough roads and trails. To sum up, get a full-suspension bike if you want the smoothest rides.
Wheels
The wheels on Aurum A7.1 are the 27.5″ aluminum type. 27.5″ wheels will reach higher speeds than smaller-sized wheels. However, the overall traction of 27.5″ wheels is lower than 29″ wheels.
Brakes
Nothing is more important on a bike than its ability to brake properly. Norco Aurum A7.1 is equipped with 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
There are 4 sizes available for this model. Rider height can be anywhere between 158 cm – 199 cm (5.18 ft – 6.53 ft). In short, it won’t be difficult to find the right one for you.