Norco Aurum A7.1

2016 MountainDownhill

Last known price: $3,885

Prices shown first for United States
Travel: 200 / 200 mm Fork / rear shock
Wheels: 27.5″
Drivetrain: 1 × 7 10–24t
Gear range: 240%
Frame: Aluminum
Brakes: Hydraulic disc

Rider height by size (cm)

Size guide

SM 158–171
MD 168–180
LG 178–189
XL 186–199

Components

16 of 21 identified

Parts found in a manufacturer catalog show their brand, model and key numbers, and the steps show how precisely they are identified: brand, series, model, or the exact product. The info button has every detail and the text the manufacturer published.

Frame and fork

1 part

Frame

Aurum A 7.1 aluminum frame 200mm travel Not identified

Suspension

2 parts

Drivetrain

8 parts

Bottom bracket

BB 83 threaded Not identified
Cassette
- SRAM 10–24t
Chain
- SRAM PC-X1 11 speeds
PC-X1
Chain tensioner

E-13 LG 1 +DMB guide with lower guard Not identified

E-13
Crankset

E-13 LG 1 single crank Not identified

E-13
Front derailleur

None
Rear derailleur
- SRAM
Shifters
- Jagwire

Brakes

3 parts

Wheels and tires

4 parts

Front hub
- Formula
Rear hub
- SRAM
Rims

Sun Inferno 29 rim 27.5 black , with eyelet Not identified
Tires

None

Cockpit and contact points

7 parts

Sizes and geometry

4 sizes Open in the geometry plotter

Enter your height to highlight matching ranges.

Size MD

Table

Reach 413mm

Stack 611mm

Wheelbase 1211mm

Head angle 63.0°

Seat angle 75.5°

Every size is drawn to the same scale, in millimeters. Explanatory schematic on an assumed 27.5″ wheel; exact published values are in the table below.

Size Reported by the manufacturer

Complete manufacturer geometry table 4 published sizes

Complete manufacturer geometry by size
Measurement
Frame
Reachmm	393	413	432	452
Stackmm	602	611	620	629
Top tube lengthmm	539	571	603	635
Seat tube lengthmm	400	420	440	460
Head tube lengthmm	100	110	120	130
Head tube angle	63°	63°	63°	63°
Seat tube angle	76.4°	75.5°	74.64°	73.8°
Chainstay lengthmm	425	435	445	455
Wheelbasemm	1177	1211	1245	1280
Front centermm	752	776	801	825
Bottom bracket dropmm	12	12	12	12
Bottom bracket heightmm	343	343	343	343
Standover heightmm	737	737	742	748
Fork rakemm	52	52	52	52
Trailmm	123	123	123	123
Stack/reach ratio	1.53	1.48	1.44	1.39
Suspension and parts
Front travelmm	200	200	200	200
Rear travelmm	200	200	200	200
Crank lengthmm	165	165	165	165
Handlebar widthmm	800	800	800	800
Stem lengthmm	50	50	50	50

Not published by the manufacturer: Stem angle, Seatpost length and Dropper post travel.

Specifications

Frame and fork

Intended fit: Unisex
Frame material: Aluminum

Suspension

Suspension configuration: Full suspension
Front travel: 200 mm
Rear travel: 200 mm

Drivetrain

Derived by Bikelake

Front chainrings: 1
Rear sprockets: 7
Smallest sprocket: 10
Largest sprocket: 24

Wheels and brakes

Wheel configuration: Same size
Brake type: Hydraulic disc

Fit and controls

Seatpost: Rigid seatpost
Shifting: Mechanical

Additional specifications

Bottom bracket standard: BSA
Fork spring: Air
Wheel material: Aluminum
Wheel size: 27.5″

Lineup changes

The published facts that differ across this family's builds and from the same model a year earlier. Missing information never counts as zero.

Differences across 2016 builds

Differences across 2016 builds
Specification	This bicycle Norco Aurum A7.1	Norco Aurum A7.2	Norco Aurum C7.1	Norco Aurum C7.1 Enve	Norco Aurum C7.2	Norco Aurum C7.3
Frame
Frame material	Aluminum	Aluminum	Carbon	Carbon	Carbon	Carbon
Drivetrain
Rear sprockets	7	10	7	7	7	7
Smallest sprocket	10	Not informed	10	10	10	Not informed
Largest sprocket	24	Not informed	24	24	24	Not informed
Smallest chainring	Not informed	36	Not informed	Not informed	36	36
Largest chainring	Not informed	36	Not informed	Not informed	36	36
Lowest gear	Not informed	Not informed	Not informed	Not informed	41.3 in	Not informed
Highest gear	Not informed	Not informed	Not informed	Not informed	99.0 in	Not informed
Other specifications
Bottom bracket standard	BSA	BSA	BB86/BB92	BB86/BB92	BB86/BB92	BB86/BB92
Fork spring	Air	Not informed	Air	Air	Air	Air
Wheel material	Aluminum	Aluminum	Aluminum	Carbon	Aluminum	Aluminum
Rear shock spring	Not informed	Coil	Not informed	Not informed	Not informed	Not informed