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2025 Marin Rift Zone JR 24

Original specifications: 24" wheels · geometry for 1 published size.

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At a glance

Model year
2025
Category
Kids
Original MSRP
$1,899.00
Sizes
One
Colors
Green Yellow Fade
Geometry
1 manufacturer size
In this record
23 specifications · archived image · original MSRP · geometry
Archive ID
900000047
Original buildAluminum · 24"

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

Published colors

Green Yellow Fade

Frameset

Frame ConstructionSeries 3 6061 Aluminum, 24” Wheels (fits up to 26"), 130mm Travel, MultiTrac Suspension Platform, 148x12mm Boost Thru-Axle, 73mm Threaded BB w/ ISCG05 Tabs
Frame MaterialAluminum
ForkX-Fusion Velvet RLC 26", 130mm Travel, Compression and Rebound Adjustment, 100x15mm Thru-Axle
Rear ShockX-Fusion O2 Pro R, 190x45mm, Custom Tune, M8x22.2mm Hardware

Drivetrain

ShiftersShimano, SL-U6000-11R, 11-Speed
Rear DerailleurShimano RD-U6000, 11-Speed GS
CranksetMarin Forged Alloy, Integrated Steel 32T Narrow Wide Chainring, 152mm Crank Length, Boost Spacing
Bottom BracketExternal Sealed Cartridge Bearing
BB Shell Width73 mm
CassetteShimano CS-LG400-11, 11-Speed, 11-50T
ChainShimano LG-500 11-Speed

Brakes

Brakes(F) Tektro HD-M280 Hydraulic Disc, 180mm Rotor / (R) Tektro HD-M280 Hydraulic Disc, 180mm Rotor; Levers: Tektro HD-M280

Cockpit & Contact Points

HeadsetFSA No 57E, Semi-Sealed Cartridge Bearings, 1 1/8" x 1 1/2”
HandlebarMarin Mini-Riser, 6061 Double Butted Aluminum, 12mm Rise, 720mm Width, 4º Up, 9º Back
StemMarin 3D Forged Alloy, 35mm
SaddleMarin Speed Concept
SeatpostX-Fusion Manic LC, 1x Composite Remote, 100mm

Wheels & Tires

Hubs(F) Joytech, 100x15mm / (R) Joytech, 141 QR, Standard Freehub Body
RimsMarin, Double Wall Alloy, 27mm Inner, Pinned Joint, Disc Specific, Tubeless Compatible
Spokes14g Stainless Steel
Front TireVee Tire Co, Flow Snap 24x2.4", Tackee Compound, Wire Bead
Rear TireVee Tire Co, Flow Snap 24x2.4", Tackee Compound, Wire Bead
Wheel Size24"

Geometry

1 size · 16 measurements

Frame measurements by size.

All geometry measurements1 size · 16 measurements
MeasurementOne
Seat tube315 mm
Effective top tube515.2 mm
Head tube95 mm
Head-tube angle65.5°
Seat-tube angle76°
Chainstay / rear center425 mm
Wheelbase1089.3 mm
Bottom-bracket drop10 mm
Bottom-bracket height308.5 mm
Reach380 mm
Stack537.6 mm
Standover height614 mm
Fork offset / rake42 mm
Crank length152 mm
Stem length45 mm
Handlebar width720 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 sizes32T · 11–50T · 11-speed
Lowest0.64:1 Highest2.91:1 Total range455%
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Parts & serviceability

Find replacement parts

Original specifications
Cassette · Original
Shimano CS-LG400-11, 11-Speed, 11-50T
Brake pads · Original
(F) Tektro HD-M280 Hydraulic Disc, 180mm Rotor / (R) Tektro HD-M280 Hydraulic Disc, 180mm Rotor; Levers: Tektro HD-M280
Rear derailleur · Original
Shimano RD-U6000, 11-Speed GS
More parts (2)
Shifters · Original
Shimano, SL-U6000-11R, 11-Speed
Headset · Original
FSA No 57E, Semi-Sealed Cartridge Bearings, 1 1/8" x 1 1/2”

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
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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 Marin Rift Zone JR 24 · Youth · Published sizes: One

Archived: Frame: Series 3 6061 Aluminum, 24” Wheels (fits up to 26"), 130mm Travel, MultiTrac Suspension Platform, 148x12mm Boost Thru-Axle, 73mm Threaded BB w/ ISCG05 Tabs · Fork: X-Fusion Velvet RLC 26", 130mm Travel, Compression and Rebound Adjustment, 100x15mm Thru-Axle

Archived: Fork: X-Fusion Velvet RLC 26", 130mm Travel, Compression and Rebound Adjustment, 100x15mm Thru-Axle · Rear shock: X-Fusion O2 Pro R, 190x45mm, Custom Tune, M8x22.2mm Hardware

Archived: Shifters: Shimano, SL-U6000-11R, 11-Speed · Rear derailleur: Shimano RD-U6000, 11-Speed GS · Crankset: Marin Forged Alloy, Integrated Steel 32T Narrow Wide Chainring, 152mm Crank Length, Boost Spacing · Bottom bracket: External Sealed Cartridge Bearing · Cassette: Shimano CS-LG400-11, 11-Speed, 11-50T · Chain: Shimano LG-500 11-Speed

Archived: Brakes: (F) Tektro HD-M280 Hydraulic Disc, 180mm Rotor / (R) Tektro HD-M280 Hydraulic Disc, 180mm Rotor; Levers: Tektro HD-M280

Archived: Wheel size: 24" · Rims: Marin, Double Wall Alloy, 27mm Inner, Pinned Joint, Disc Specific, Tubeless Compatible · Hubs: (F) Joytech, 100x15mm / (R) Joytech, 141 QR, Standard Freehub Body · Front tire: Vee Tire Co, Flow Snap 24x2.4", Tackee Compound, Wire Bead · Rear tire: Vee Tire Co, Flow Snap 24x2.4", Tackee Compound, Wire Bead

Controls and contact points

Archived: Headset: FSA No 57E, Semi-Sealed Cartridge Bearings, 1 1/8" x 1 1/2” · Handlebar: Marin Mini-Riser, 6061 Double Butted Aluminum, 12mm Rise, 720mm Width, 4º Up, 9º Back · Stem: Marin 3D Forged Alloy, 35mm · Seatpost: X-Fusion Manic LC, 1x Composite Remote, 100mm · Saddle: Marin Speed Concept

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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