Bicycle Archive · Specification report

Bicycle comparison

2009 Rocky Mountain Flow DJ · 2010 Rocky Mountain Flow DJ

Specification	2009 Rocky Mountain Flow DJ	2010 Rocky Mountain Flow DJ
Overview
Model year	2009	2010
Brand	Rocky Mountain	Rocky Mountain
Model	Flow DJ	Flow DJ
Bicycle type	Mountain bike, front suspension	Mountain bike, front suspension
Archive ID	18836	21304
Colors	White	Grey
Sizes	Small/medium, medium/large	Reg, Long
Frameset
Frame construction	TIG-welded	TIG-welded
Frame material	4130 chromoly	4130 chromoly
Fork	Marzocchi Dirt Jumper 2, 80mm travel	Marzocchi Dirt Jumper 2, 80mm travel
Fork material	Single	Single
Rear shock	N/A	N/A
Drivetrain
Component group	Dirt Jump Mix	Dirt Jump Mix
Shifters	N/A	N/A
Front derailleur	N/A	N/A
Rear derailleur	N/A	N/A
Crankset	Samox BFC-02, 30 teeth	Macneil Conjoined, 30 teeth
Bottom bracket	Samox AX02-SB	Macneil Euro BB 19mm OD
Cassette	Cassette cog	Cassette driver
Rear cogs	1-speed, 14 teeth	1-speed, 11 teeth
Chain	KMC 510HX	KMC K710
Pedals	RMB flat	RMB flat
Brakes
Brakes	Shimano M575 disc rear brakes, Shimano M575 Hydraulic rear levers	Avid Juicy 3 rear brakes, Avid Juicy 3 rear levers
Cockpit & contact points
Headset	1 1/8" FSA Impact	FSA Impact S #8DE
Handlebar	RMB DH Alloy riser	RMB DH Alloy riser
Handlebar extensions	Not included	Not included
Stem	RMB DH alloy 31.8mm	Macneil Top Notch alloy 22.2mm
Saddle	Alienation Toliet Pivotal	Macniel S.L.
Seatpost	Alienation Billy Club Pivotal, 27.2mm diameter	Macneil 3D Forged, 27.2mm diameter
Wheels & tires
Hubs	Front: Wheeltech cartridge disc 20mm axle, Rear: Wheeltech cartridge disc w/10mm solid axle	Front: Wheeltech cartridge disc 20mm axle, Rear: Wheeltech cartridge disc w/10mm solid axle
Rims	Mavic EX325	Sun Equalizer 29
Spokes	DT Swiss Champion	Stainless
Front tire	26" Maxxis Holy Roller	26" Kenda Small Block 8
Wheel size	26" wheels	26" wheels

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on November 14, 2026.