Velopedia Bicycle Archive

2011 Rocky Mountain Reaper 24

Original manufacturer specifications including Mountain Mix drivetrain, 24" wheels.

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What Velopedia knows

Model year
2011
Category
Kids
Sizes
12.5"
Colors
Black
Record coverage
29 preserved details · archived image
Archive ID
23684
Model history 2 other years

Historical catalog variants

Archived sizes and colors

1 item record

Item-level catalog entries recovered from Velopedia’s original bicycle archive. They document how this model was listed historically; they do not identify the frame size associated with legacy reference geometry or indicate current availability.

Published sizes

12.5"

Published colors

Black
View 1 archived size/color combination
SizeColor
12.5"Black

Historical catalog evidence. Exact specifications and naming may vary by market, production run or manufacturer revision.

Frameset

Frame ConstructionAluminum
Frame Material6061 aluminum
ForkSuntour XCR
Rear ShockN/A

Drivetrain

Component GroupMountain Mix
ShiftersShimano ST-EF51
Front DerailleurShimano TX50
Rear DerailleurShimano Altus
CranksetTruvativ Ruktion, 32/22t teeth
Bottom BracketTruvativ Howitzer XR
CassetteShimano HG-30
Rear Cogs8-speed, 11 - 32 teeth
ChainShimano HG40
PedalsRMB Jr Flat

Brakes

BrakesPromax DSK7-20 Mechanical Disc 160mm Rotor brakes, Shimano EF51 levers

Cockpit & Contact Points

HeadsetFSA ZST-10
HandlebarRMB AM
Handlebar ExtensionsNot included
StemRMB FR 10-degree 40mm
SaddleRMB FR JR.
SeatpostRMB XC, 27.2mm diameter

Wheels & Tires

HubsRMB XC Disc
RimsAlex DM-18
SpokesStainless stainless
Front Tire24" Kenda Kinetic
Wheel Size24" wheels

Parts & serviceability

Find replacement parts

3 top part searches
ChainMatching fit standard
Shimano HG40 Exact archived model
Rear derailleurMatching configuration
Shimano Altus Interpreted as Shimano Altus · 8-speed Named component · published drivetrain speed — verify exact version
ShiftersExact archived part
Shimano ST-EF51 Exact archived model
More qualified parts (3)
SeatpostMatching fit standard
27.2 mm seatpost Published diameter — verify length and setback
HeadsetQualified part search
FSA ZST-10 Named archived component — verify dimensions
RimsQualified part search
Alex DM-18 Named archived component — verify dimensions

Searches use the archived manufacturer specification, not the components currently installed on a particular bicycle. Confirm the exact model, size and fit before ordering. As an Amazon Associate I earn from qualifying purchases. Velopedia may also earn from qualifying eBay purchases. Velopedia may also earn from qualifying retailer purchases. Commercial relationships do not influence Archive specifications or analysis.

Used-bike inspection

If you’re buying this bike used

Before any test ride: both brakes should stop the bike firmly and release cleanly; both wheels should run true and be securely attached; tires should have no casing damage; and the headset, handlebar, stem, cranks and pedals should have no looseness or play.

Follow the full used-bike inspection order →
  • FrameLook closely for dents and hairline cracks around welds, the head tube and bottom-bracket area. Cosmetic scratches matter less than a change in shape or a crack line.Inspect the frame and fork →
  • BrakesMake sure both cables move freely and the calipers release cleanly. Check pad thickness, rotor wear and rotor alignment.Inspect the brakes →
  • SuspensionAsk when the fork was last serviced. Check the stanchions for damage, look for oil at the seals and make sure the fork moves smoothly without bushing play.Evaluate the suspension →
  • DrivetrainShift through every gear under light load and measure chain wear. Confirm that the shifter, derailleur, chain and cassette belong to the same 8-speed system.Check drivetrain wear →
  • Wheels & tiresSpin both wheels and watch the rims for side-to-side or vertical movement. Check for dents, cracks, loose or uneven spokes and hub play, then inspect both tire casings for cuts, cracking or exposed threads.Check wheels and tires →
Bike-specific inspection checklist 20 checks based on 6 archived component groups Open checklistClose checklist
0 of 20 checked Progress stays in this browser for this bike.

This checklist uses the archived equipment for this bike. It cannot confirm the condition, service history or later component changes of the example in front of you.

Archived: 2011 Rocky Mountain Reaper 24 · Juvenile mountain bike, suspension · Published sizes: 12.5"

Archived: Frame: Aluminum · Fork: Suntour XCR

Archived: Fork: Suntour XCR

Archived: Group: Mountain Mix · Shifters: Shimano ST-EF51 · Front derailleur: Shimano TX50 · Rear derailleur: Shimano Altus · Crankset: Truvativ Ruktion, 32/22t teeth · Bottom bracket: Truvativ Howitzer XR · Cassette: Shimano HG-30 · Rear cogs: 8-speed, 11 - 32 teeth · Chain: Shimano HG40

Archived: Brakes: Promax DSK7-20 Mechanical Disc 160mm Rotor brakes, Shimano EF51 levers

Archived: Wheel size: 24" wheels · Rims: Alex DM-18 · Hubs: RMB XC Disc · Front tire: 24" Kenda Kinetic

Controls and contact points

Archived: Headset: FSA ZST-10 · Handlebar: RMB AM · Stem: RMB FR 10-degree 40mm · Seatpost: RMB XC, 27.2mm diameter · Saddle: RMB FR Jr. · Pedals: RMB Jr Flat

Before and during the test ride

Follow the full used-bike inspection order →

Build relationships are limited to the archived manufacturer specifications. Confirm exact fit and standards before ordering parts or performing service.

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Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.

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