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2025 Rocky Mountain Reaper 26

Original specifications: 26" wheels · geometry for 1 published size.

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At a glance

Model year
2025
Category
Kids
Original MSRP
$3,199.00
Sizes
One Size
Colors
Grey/White
Geometry
1 manufacturer size
In this record
21 specifications · 2 archived images · original MSRP · geometry
Archive ID
900000731
Original buildAluminum · 26"

Manufacturer catalog

Published sizes and colors

1 size · 1 color

Manufacturer-published sizes and colors; availability and exact size/color pairings may vary by market or production run.

Published sizes

One Size

Published colors

Grey/White

Frameset

Frame ConstructionFORM™ Alloy | Full Sealed Cartridge Bearings | Press Fit BB | Internal Cable Routing | 2-Bolt ISCG05 Tabs | RIDE-2™ Adjustable Geometry | 130mm Travel | FORM™ Alloy Rear Triangle
Frame MaterialAluminum
ForkManitou JUNIT 34 Expert 140mm | 26" = 41mm Offset
Rear ShockRockShox Deluxe Select | Sealed Bearing Eyelet | 20x8mm F Hardware | 190x45mm

Drivetrain

ShiftersMicroShift Advent X 10spd
Rear DerailleurMicroShift Advent X 10spd With Clutch
CranksetRocky Mountain Microdrive 2PC | 30T | 104mm Asymmetrical BCD | 24mm Spindle | Crank Length = 155mm
CassetteSunrace CSMS2 11-46T
ChainKMC X10-1

Brakes

BrakesTektro HD-J2820 | Short Reach Lever | Shimano Pad Compatible

Cockpit & Contact Points

HeadsetFSA ZS56/66 Reach Adjust | 5mm Cups Installed | Sealed Stainless 36°x45° Bearings | 30.2mm x 41mm x 6.5mm Upper | 40mm x 51.8mm x 8.0mm Lower | 1.5" Crown Race
HandlebarRocky Mountain Jr | 640mm Width | 25mm rise | 9° Backsweep | 5° Upsweep | 31.8 | For 19mm Grips
StemRocky Mountain 31.8 AM | 5° Rise | All Sizes = 40mm
SaddleRocky Mountain Kids
SeatpostTranz X +RAD1.0 Adjustable Dropper Post | 30mm Adjustment | Alloy Clamp Lever | 30.9mm | 125mm

Wheels & Tires

HubsFront: Shimano TC500 | 15mm Boost; Rear: Shimano TC500 Boost 148mm
RimsWTB KOM Team i30 TCS 2.0 | 28H
Spokes2.0 Stainless
Front TireMaxxis Minion DHF 2.5 WT EXO Tubeless Ready
Rear TireMaxxis Minion DHR II 2.4 WT EXO Tubeless Ready
Wheel Size26"

Geometry

1 size · 11 measurements

Frame measurements by size.

All geometry measurements1 size · 11 measurements
Measurementkids
Seat tube315 mm
Effective top tube492 mm
Head tube105 mm
Head-tube angle64°
Seat-tube angle76.4°
Chainstay / rear center417 mm
Wheelbase1083 mm
Bottom-bracket drop16 mm
Reach355 mm
Stack563 mm
Standover height749 mm

Measurements may vary by configuration, wheel size, or frame setting where noted in the published chart.

Gearing

Chainring ÷ rear sprocket

Lower ratios provide more mechanical advantage for climbing. Higher ratios turn the rear wheel farther with each crank revolution.

All published sizes30T · 11–46T · 10-speed
Lowest0.65:1 Highest2.73:1 Total range418%
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Parts & serviceability

Find replacement parts

Original specifications
Chain · Original
KMC X10-1
Cassette · Original
Sunrace CSMS2 11-46T
Front tire · Original
Maxxis Minion DHF 2.5 WT EXO Tubeless Ready Before ordering: Confirm the exact tire width before ordering.
More parts (3)
Rear tire · Original
Maxxis Minion DHR II 2.4 WT EXO Tubeless Ready Before ordering: Confirm the exact tire width before ordering.
Rear derailleur · Original
MicroShift Advent X 10spd With Clutch Search: MicroShift Advent X 10spd With Clutch rear derailleur
Shifters · Original
MicroShift Advent X 10spd Search: MicroShift Advent X 10spd shifter

Based on the original build. Confirm the model, size and fit before ordering; installed parts may differ. As an Amazon Associate I earn from qualifying purchases. Velopedia may also earn from qualifying eBay purchases.

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Bike-specific inspection checklist 23 checks based on 6 archived component groups Open checklistClose checklist
0 of 23 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: 2025 Rocky Mountain Reaper 26 · Youth · Published sizes: One Size

Archived: Frame: FORM™ Alloy | Full Sealed Cartridge Bearings | Press Fit BB | Internal Cable Routing | 2-Bolt ISCG05 Tabs | RIDE-2™ Adjustable Geometry | 130mm Travel | FORM™ Alloy Rear Triangle · Fork: Manitou JUNIT 34 Expert 140mm | 26" = 41mm Offset

Archived: Fork: Manitou JUNIT 34 Expert 140mm | 26" = 41mm Offset · Rear shock: RockShox Deluxe Select | Sealed Bearing Eyelet | 20x8mm F Hardware | 190x45mm

Archived: Shifters: MicroShift Advent X 10spd · Rear derailleur: MicroShift Advent X 10spd With Clutch · Crankset: Rocky Mountain Microdrive 2PC | 30T | 104mm Asymmetrical BCD | 24mm Spindle | Crank Length = 155mm · Cassette: Sunrace CSMS2 11-46T · Chain: KMC X10-1

Archived: Brakes: Tektro HD-J2820 | Short Reach Lever | Shimano Pad Compatible

Archived: Wheel size: 26" · Rims: WTB KOM Team i30 TCS 2.0 | 28H · Hubs: Front: Shimano TC500 | 15mm Boost; Rear: Shimano TC500 Boost 148mm · Front tire: Maxxis Minion DHF 2.5 WT EXO Tubeless Ready · Rear tire: Maxxis Minion DHR II 2.4 WT EXO Tubeless Ready

Controls and contact points

Archived: Handlebar: Rocky Mountain Jr | 640mm Width | 25mm rise | 9° Backsweep | 5° Upsweep | 31.8 | For 19mm Grips · Stem: Rocky Mountain 31.8 AM | 5° Rise | All Sizes = 40mm · Seatpost: Tranz X +RAD1.0 Adjustable Dropper Post | 30mm Adjustment | Alloy Clamp Lever | 30.9mm | 125mm · Saddle: Rocky Mountain Kids

Before and during the test ride

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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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