Rocky Mountain Growler Powerplay 50

2020 MountainTrail Electric bicycle

Fork travel: 130 mm
Wheels: 27.5″
Drivetrain: 1 × 12 34t / 11–50t
Gear range: 455%
Battery: 632 Wh
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

20 of 25 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

FORM™ Alloy. Press Fit BB. Internal Cable Routing. Boost 148mm. Tapered Zerostack Headtube. Dropper Post Compatible. Not identified

Electric system

2 parts

Battery

Li-Ion 632 Watt/Hr Not identified
Motor

Dyname 3.0 Drive 250w / 48v. iWoc TRIO Remote Not identified

Suspension

2 parts

Fork
- RockShox 35 Gold RL
Remote

iWoc Trio Not identified

Drivetrain

6 parts

Brakes

2 parts

Brake levers
- Shimano BL-MT420
BL-MT420
Brakes
- Shimano BR-MT420
BR-MT420

Wheels and tires

5 parts

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 412mm

Stack 635mm

Wheelbase 1146mm

Head angle 66.5°

Seat angle 73.5°

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
Reachmm	390	412	437	464
Stackmm	626	635	635	644
Top tube lengthmm	575	600	625	655
Seat tube lengthmm	394	432	471	509
Head tube lengthmm	115	125	125	135
Head tube angle	66.5°	66.5°	66.5°	66.5°
Seat tube angle	73.5°	73.5°	73.5°	73.5°
Chainstay lengthmm	435	435	435	435
Wheelbasemm	1120	1146	1171	1202
Front centermm	691	717	742	773
Bottom bracket dropmm	58	58	58	58
Bottom bracket heightmm	297	297	297	297
Standover heightmm	804	805	800	803
Fork rakemm	48	48	48	48
Trailmm	102	102	102	102
Stack/reach ratio	1.61	1.54	1.45	1.39

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

Specifications

Frame and fork

Intended fit: Unisex
Frame material: Aluminum

Suspension

Suspension configuration: Hardtail
Front travel: 130 mm

Drivetrain

Derived by Bikelake

Front chainrings: 1
Smallest chainring: 34
Largest chainring: 34
Rear sprockets: 12
Smallest sprocket: 11
Largest sprocket: 50
Lowest gear: 18.7 in
Highest gear: 85.0 in

Wheels and brakes

Wheel configuration: Same size
Brake type: Hydraulic disc

Fit and controls

Seatpost: Dropper seatpost
Shifting: Mechanical

Electric system

Battery capacity: 632 Wh

Additional specifications

Battery: Li-Ion 632 Watt/Hr
Fork spring: Air
Tire width: 2.8″
Wheel material: Aluminum
Wheel size: 27.5″

Technical analysis

4 measures

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

Front travel

130 mm

This value is within the central range for this class.

Cohort: Mountain / Trail Model year: 2020
Sample: 1,339 bicycles with this information
Coverage: 93.7% of the class

Lowest gear

18.7 gear inches

This value is within the central range for this class.

Cohort: Mountain / Trail Model year: 2020
Sample: 1,217 bicycles with this information
Coverage: 85.2% of the class

Highest gear

85.0 gear inches

This value is within the central range for this class.

Cohort: Mountain / Trail Model year: 2020
Sample: 1,217 bicycles with this information
Coverage: 85.2% of the class

Shifting

Mechanical

55 of 1,428 bicycles with this information use electronic shifting.

Cohort: Mountain / Trail Model year: 2020
Sample: 1,428 bicycles with this information
Coverage: 100.0% of the class

Gearing

Estimated speeds at 80 rpm

Lowest gear: 7.2 km/h
Highest gear: 32.6 km/h

Total gear range 455%

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: 18.7–85.0 gear inches
Class reference (p10–p90): 17.1–98.6 gear inches; The band runs from p10 for the lowest gear to p90 for the highest gear.

Cohort: Mountain / Trail Model year: 2020
Lowest gear: 1217 bicycles with this information, 85.2% of the class
Highest gear: 1217 bicycles with this information, 85.2% 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 2020 builds

Differences across 2020 builds
Specification	This bicycle Rocky Mountain Growler Powerplay 50	Rocky Mountain Growler Powerplay 10	Rocky Mountain Growler Powerplay 30
Suspension
Front travel	130 mm	120 mm	120 mm
Drivetrain
Rear sprockets	12	9	12
Largest sprocket	50	40	50
Lowest gear	18.7 in	23.4 in	18.7 in
Cockpit
Seatpost	Dropper seatpost	Rigid seatpost	Dropper seatpost
Other specifications
Battery	Capacity: 632 WhLi-Ion 632 Watt/Hr	Capacity: 632 Wh632 Wh Fully Integrated Li-Ion \| 48V FAST Charger \| 80% Charge in 2:05 \| 100% Charge in 3:30	Capacity: 632 Wh632 Wh Fully Integrated Li-Ion \| 48V FAST Charger \| 80% Charge in 2:05 \| 100% Charge in 3:30
Fork spring	Air	Coil	Air