Rocky Mountain Flatline 3

Rocky Mountain Flatline 3

7 Reviews for Flatline 3

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 this is for a 2009 rocky mountain flatline park edition, not flatline 3, sorry i couldn't find "park edition" under the list, so I went with the closest thing i could find, which was the flatline 3. anyway, my first dh rig, and i am very pleased, handles pretty good for a dh, low center of gravity, sturdy like a rock great plush suspension, and feels a feather when you pedal, even though it's 45+ pounds, feels like nothing. Only thing I don't like is the brake levers, which are ok, just not that good, they come loose alot and have lots and lots of freeplay, although it's an easy fix. overall it's a great bike, parts are just fine, although new cranks and brakes would be nice, and this 888 bomber is surprisingly good despite the negative review i've heard about 888's. overall, 4.5 out of 5, could use some better parts, but i'm not gonna complain, splendid bike
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 I have recently swapped my sx trail for this bike and i have ridden this bike once without a back brake and it rides mint, it rolls fast, back end feels really sturdy and its planted! only downside is the hubs arent too good
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 incredible geometry and fantastic rear suspension. feels very at home on steeps, jumps, berms, and rocks, minus the sub-par fork. ditch the 888 and this thing is fantastic.
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 this bike is sick. pros: it will suck-up anything. bottomless travel. great huck/dh ride. Cons: the fork is awefull. my rvc wont compress more than 4 inchs and sucks
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 yeah i like it alot. its a beast and can handle anything that comes. it just weighs alot which can suck for some stuff. the 09 forks work good too.
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 My dad rode one of these and he let me try it for a run and it was awsome. Plus the color was awsome tooo.
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 i just got mine and its so sick check out my photos on my profile
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Avg: 5 (7 votes)
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Rocky Mountain Flatline 3 (MSRP $3499.99) — LC2R The Low Centre Counter Rotating - LC2R - patented suspension is a laterally stiff design that offers a highly predictable ride in all conditions. Its low sprung weight and concentrated suspension mass allow the LC2R suspension to respond faster to ground forces, such as stutter bumps, and keep the rear wheel glued to the ground during acceleration. LC2R suspension is a single pivot design, with the main pivot located just above and behind the bottom bracket. Both chain and brake forces are concentric to this pivot through-out the suspension travel, which eliminates pedal “bob” and brake jack. A thrust/ tug link engages the top link to create a rising rate suspension and the much-sought-after “infinite travel” feel. We tune LC2R to create an optimal suspension rate for different types of riding – from super cross country to Freeride and to downhill. * Linearly Rising LC2R suspension rate is tuned for freeride and downhill racing; suspension progression is inherent to the linkage design, not the shock absorber. * Concentric to the main pivot point, chain and brake forces eliminate pedal “bob”; suspension is stable during pedaling, and “platform” pedaling is inherent to the suspension design - not the shock. * Counter rotating top link creates a more laterally stiff Swingarm for increased control in tight corners, and the occasional sideways landing. * The counter rotating link along with the kinked down tube allow for a low and center positioning of the shock absorber in the frame. This low-slung concentrated mass allows the bike to rotate in any direction faster than if the center of mass was positioned higher in the frame. * Oversized double-row angular contact bearings increase bearing life, and allow for a less expensive bearing to be used. (more affordable for retail level replacement) * Triangulated Swingarm maximizes suspension strength, while keeping its weight to a minimum. * Tuglinks (as opposed to thrustlinks) increase suspension sensitivity to very small bumps, further aiding in smoothing out the trail. FORM Technology The heart of a bike is its frame. The geometry, the material, the feel, and the way it reacts under the rider are the very essence of the ride. That’s why we’ve introduced FORM™ – the design and manufacturing process of our high-performance frame tubing. Our philosophy behind FORM™ tubing is to push the limits of tube and frame design to create the frame’s unique riding feel. Engineered Ride Quality : FORM™ tubing is a line of high-performance tubes designed to elevate the superior ride quality for which Rocky Mountain Bicycles are known. Innovative design: With 25 years of innovation, we continue to push the boundaries of bicycle design. FORM™ tubing is the exciting new frontier of our creativity. Attention to detail: Every detail in a FORM™ tube set is carefully engineered and has a purpose: from the slightest variations in shape, to wall thickness, tapers, flares and bends. Uncompromised quality: FORM™ tube sets are manufactured with premium materials and delivered by the best suppliers in the industry to meet Rocky Mountain’s strict requirements. Floating Brake (For Flatline Only) • RMB Designed Floating brake system (available as an after-market purchase) removes the rear wheel braking force (brake jack) from the suspension action. • The floating brake caliper eliminates wheel inertia effects of applying the rear brake by allowing the brake to move indepently of the rear axle. • The floating brake caliper maintains a constant wheelbase length throughout all points of front and rear travel.

Specifications Compare to other DH Bikes

Release Date 2009
Price $3,500
Travel 170-213mm
Rear Shock FOX DHX 3.0 Custom Valved, 170-213mm
Fork Marzocchi 888 RCV, 200mm, Rebound
Headset FSA Orbit Z1.5 / 1 1/8
Cassette SRAM PG-950-9 11-32T
Crankarms Race Face Ride DH X Type 170-175MM 36t
Chainguide E13 LG1 Guide
Bottom Bracket Race Face Ride DH X-Type
Pedals RMB Flat
Chain SRAM PC951
Rear Derailleur SRAM X7
Shifter Pods SRAM X7 Triggers 9spd
Handlebar RMB Alloy DH 31.8mm 30mm rise 700mm
Stem Marzocchi Integrated 31.6mm
Brakes Formula ORO K18 hydraulic disc
Hubs Wheeltech disc cartridge bearing W/12mm Thru axle
Spokes DT Champion
Rim Alex FR32 dbl wall disc w/eyelets
Tires WTB Prowler MX 2.5 Comp FT / Dissent 2.5 Team RR A.V.
Seat WTB Pure V Race
Seatpost RMB SP-601 2-Bolt 30.9mm

Dimensions

Size XS M L S
Frame Weight
Bike Weight
Headtube Angle 65.7 ° 65.6 ° 64.6 ° 64.6 °
Seattube Angle 70.3 ° 69.2 ° 69.2 ° 69.2 °
Headtube Length 101.6 mm 101.6 mm 101.6 mm 101.6 mm
Chainstay Length 457 mm 457 mm 457 mm 457 mm
BB Height
BB Width
Seat Post Diameter
Front Derailleur Width
HeadTube Diameter 1.5 1.5 1.5 1.5
Top Tube Length 558.8 mm 660.4 mm 609.6 mm 558.8 mm
WheelBase 1143 mm 1193.8 mm 1219.2 mm 1168.4 mm
Standover Height 711.2 mm 736.6 mm 762 mm 736.6 mm
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