Velopedia Bicycle Archive

Compare Bicycles

Compare published geometry, gearing and specifications for up to three bicycles.

1 of 2 bicycles

At a glance

Key differences

Supported differences are shown below. Data limitations are labeled separately.

  1. Data limitation

    No geometry is recorded for 2013 Rocky Mountain Flow DJ and 2009 Rocky Mountain Flow DJ.

  2. Gearing

    2009 Rocky Mountain Flow DJ has a 12% lower climbing ratio than 2013 Rocky Mountain Flow DJ.

    A lower ratio gives more mechanical advantage; rear-wheel rollout determines distance per crank turn.

  3. Equipment

    2013 Rocky Mountain Flow DJ has 20 mm more front travel than 2009 Rocky Mountain Flow DJ in the selected sizes.

    Front travel is fork suspension stroke, not rear-wheel travel.

Gearing comparison

Lower gears help on climbs. Higher gears suit higher speeds.

2013 Rocky Mountain Flow DJ34T · 14T
Ratio2.43:1

Speed unavailable: wheel or tire size is missing or unclear.

2009 Rocky Mountain Flow DJ30T · 14T · 1-speed
Ratio2.14:1

Speed unavailable: wheel or tire size is missing or unclear.

How it works

Ratio = front teeth ÷ rear teeth. Hub gears also include the hub’s internal ratio. A 400% range means the highest ratio is four times the lowest.

Speeds are estimates from tire size and pedal cadence. Actual speeds vary.

Try other gearing

Complete specification tableShows different published values and gaps where a bicycle lacks data. Different wording reflects source language, not necessarily different components. Swipe for more columns.
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Specification
2013 Rocky Mountain Flow DJ
2009 Rocky Mountain Flow DJ
Overview
Model Year
2013
2009
Brand
Rocky Mountain
Rocky Mountain
Model
Flow DJ
Flow DJ
Bicycle Type
Mountain Hardtail
Mountain bike, front suspension
Colors
Blue
White
Sizes
S, L
S/M, M/L
Weight
—
—
Frameset
Frame Construction
—
TIG-welded
Frame Material
Chromoly
4130 chromoly
Fork
Manitou Circus Sport 100mm
Marzocchi Dirt Jumper 2, 80mm travel
Fork Material
—
Single
Drivetrain
Component Group
—
Dirt Jump Mix
Crankset
Truvativ Ruktion 34t
Samox BFC-02, 30 teeth
Bottom Bracket
Truvativ Howitzer
Samox AX02-SB
Cassette
14T
Cassette cog
Rear Cogs
1x1 Speeds
1-speed, 14 teeth
Chain
KMC Z510
KMC 510HX
Pedals
Platform
RMB flat
Brakes
Brakes
Promax DSK310
Shimano M575 disc rear brakes, Shimano M575 Hydraulic rear levers
Cockpit & Contact Points
Headset
Cane Creek Ten IS
1 1/8" FSA Impact
Handlebar
Race Face Chester
RMB DH Alloy riser
Handlebar Extensions
—
Not included
Stem
Rocky Mountain FR
RMB DH alloy 31.8mm
Saddle
DJ Pivotal
Alienation Toliet Pivotal
Seatpost
Pivotal alloy
Alienation Billy Club Pivotal, 27.2mm diameter
Wheels & Tires
Hubs
—
Front: Wheeltech cartridge disc 20mm axle, Rear: Wheeltech cartridge disc w/10mm solid axle
Rims
—
Mavic EX325
Spokes
—
DT Swiss Champion
Front Tire
Geax AKA 26
26" Maxxis Holy Roller
Wheel Size
—
26" wheels

Historical specifications are presented as an archival reference. Components may have varied by market, size, or production run.

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