Norco Storm 4 29

Name: Norco Storm 4 29
Brand: Norco

2021 MountainCross-country Manufacturer page

Last known price: $799

Prices shown first for United States
Fork travel: 100 mm
Wheels: 29″
Drivetrain: 3 × 7 24–42t / 11–34t
Gear range: 541%
Frame: Aluminum
Brakes: Hydraulic disc

Rider height by size (cm)

Size guide

MD 163.8–175
LG 172–184
XL 181–191.8

Components

15 of 23 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

Storm 6061 Alloy XC Frame Not identified

Suspension

1 part

Fork
- SR Suntour XCE28

Drivetrain

7 parts

Bottom bracket

Cartridge, BSA Threaded Not identified
Cassette

CS-M3007 11-34T Not identified

CS-M3007
Chain
- KMC Z7 7 speeds
Crankset
- Prowheel 24/34/42t
Front derailleur
- Shimano Tourney FD-TY500
FD-TY500
Rear derailleur
- Shimano Tourney
RD-TX300
Shifters
- Shimano Altus SL-M315
SL-M315

Brakes

3 parts

Wheels and tires

4 parts

Front hub

Alloy QR 9x100mm QR Not identified
Rear hub

Alloy QR 10x135mm QR HG Not identified
Rims
- WTB
Tires
- WTB

Cockpit and contact points

7 parts

Grips
- Norco
Handlebar

X6 Alloy, 740mm, 25mm Rise, 31.8mm Bore Not identified
Headset

Zero Stack Not identified
Pedals
- VP
Saddle
- Norco
Seatpost

Alloy Not identified
Stem
- Norco

Sizes and geometry

3 sizes Open in the geometry plotter

Enter your height to highlight matching ranges.

Size LG

Table

Reach 455mm

Stack 633mm

Wheelbase 1146mm

Head angle 68.5°

Seat angle 75.0°

Every size is drawn to the same scale, in millimeters. Explanatory schematic on an assumed 29″ wheel; exact published values are in the table below.

Size Reported by the manufacturer

Complete manufacturer geometry table 3 published sizes

Complete manufacturer geometry by size
Measurement
Frame
Reachmm	425	455	485
Stackmm	624	633	643
Top tube lengthmm	592	592	657
Seat tube lengthmm	470	470	550
Head tube lengthmm	105	105	125
Head tube angle	68.5°	68.5°	68.5°
Seat tube angle	75°	75°	75°
Chainstay lengthmm	450	450	450
Wheelbasemm	1146	1146	1214
Front centermm	703	703	771
Bottom bracket dropmm	63	63	63
Bottom bracket heightmm	310	310	310
Standover heightmm	686	686	754
Fork rakemm	51	51	51
Trailmm	92	92	92
Stack/reach ratio	1.47	1.39	1.33
Suspension and parts
Crank lengthmm	175	175	175
Stem lengthmm	60	60	60

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

Specifications

Frame and fork

Intended fit: Unisex
Frame material: Aluminum

Suspension

Suspension configuration: Hardtail
Front travel: 100 mm

Drivetrain

Derived by Bikelake

Front chainrings: 3
Smallest chainring: 24
Largest chainring: 42
Rear sprockets: 7
Smallest sprocket: 11
Largest sprocket: 34
Lowest gear: 20.5 in
Highest gear: 110.7 in

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: Coil
Tire width: 2.25″
Wheel material: Aluminum
Wheel size: 29″

Technical analysis

4 measures

How these figures sit among bicycles of the same class and model year. Context, not a ranking.

Front travel

100 mm

This value is within the central range for this class.

Cohort: Mountain / Cross-country Model year: 2021
Sample: 1,256 bicycles with this information
Coverage: 91.6% of the class

Lowest gear

20.5 gear inches

This value is above the central range for this class.

Cohort: Mountain / Cross-country Model year: 2021
Sample: 1,101 bicycles with this information
Coverage: 80.3% of the class

Highest gear

110.7 gear inches

This value is above the central range for this class.

Cohort: Mountain / Cross-country Model year: 2021
Sample: 1,101 bicycles with this information
Coverage: 80.3% of the class

Shifting

Mechanical

89 of 1,368 bicycles with this information use electronic shifting.

Cohort: Mountain / Cross-country Model year: 2021
Sample: 1,368 bicycles with this information
Coverage: 99.7% of the class

Gearing

Estimated speeds at 80 rpm

Lowest gear: 7.8 km/h
Highest gear: 42.4 km/h

Total gear range 541%

Technical details and class reference

These speeds describe the gearing at the selected cadence, not how fast you can ride.
Calculated from published gear-inch values and their wheel-size assumptions.
These gearing values describe the bicycle, not a selected frame size.
A 100% range means one ratio; 500% means the highest ratio is five times the lowest.
For e-bikes, motor assistance cutoff is not represented.

Gear-inch range

Lower gear-inch values travel less distance per pedal revolution; higher values travel farther.

This bicycle: 20.5–110.7 gear inches
Class reference (p10–p90): 17.4–100.2 gear inches; The band runs from p10 for the lowest gear to p90 for the highest gear.

Cohort: Mountain / Cross-country Model year: 2021
Lowest gear: 1101 bicycles with this information, 80.3% of the class
Highest gear: 1101 bicycles with this information, 80.3% of the class

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 2021 builds
Specification	This bicycle Norco Storm 4 29	Norco Storm 1 27.5	Norco Storm 1 29	Norco Storm 1 SE 27.5	Norco Storm 1 SE 29	Norco Storm 2.1
Suspension
Front travel	100 mm	100 mm	100 mm	100 mm	100 mm	40 mm
Drivetrain
Front chainrings	3	1	1	1	1	1
Smallest chainring	24	30	30	30	30	30
Largest chainring	42	30	30	30	30	30
Rear sprockets	7	11	11	11	11	6
Smallest sprocket	11	11	11	11	11	14
Largest sprocket	34	51	51	51	51	28
Lowest gear	20.5 in	16.2 in	17.1 in	16.2 in	17.1 in	21.4 in
Highest gear	110.7 in	75.0 in	79.1 in	75.0 in	79.1 in	42.9 in
Brakes
Brake type	Hydraulic disc	Hydraulic disc	Hydraulic disc	Hydraulic disc	Hydraulic disc	Mechanical disc
Cockpit
Seatpost	Rigid seatpost	Dropper seatpost	Dropper seatpost	Rigid seatpost	Rigid seatpost	Rigid seatpost
Other specifications
Tire width	2.25″	2.25″	2.25″	2.25″	2.25″	1.95″
Wheel size	29″	27.5″	29″	27.5″	29″	20″