Perfect for young riders cutting their teeth on the trails around the Forest of Dean, the Marin Rift Zone Jr brings proper trail-bike performance in a size that suits growing shredders.

With 24" wheels, 130mm of plush rear suspension travel, and the same fun-loving attitude as the adult Rift Zone, it's built for everything from flowing laps at Dean Forest Cycles to tackling roots, rocks, and berms across the Forest's trail network.

Best of all, it grows with your rider. The Rift Zone Jr shares its frame, fork, and shock with the Rift Zone 26", so when those growth spurts kick in, a simple wheel and crank swap can keep the good times rolling for years to come. It's a bike that's ready for countless Forest of Dean adventures, whether it's their first taste of proper singletrack or they're already chasing the faster lines.

Specifications

• 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

• Front Suspension

  X-Fusion Velvet RLC 26", 130mm Travel, Compression and Rebound Adjustment, 100x15mm Thru-Axle

• Rear Suspension

  X-Fusion O2 Pro R, 190x45mm, Custom Tune, M8x25mm Hardware

• Rims

  Marin, Double Wall Alloy, 27mm Inner, Pinned Joint, Disc Specific

• Hub, Rear

  Forged Alloy, 141mm, Quad Sealed Bearings, Centerlock Disc, 32H

• Hub, Front

  Shimano HB-TC500, 100x15mm, Centerlock, 32H

• Spoke, Nipples

  14g Stainless Steel

• Tires

  Vee Tire Co., Flow Snap 24x2.4", Tackee Compound, Wire Bead

• Derailleur, Rear

  Shimano Deore, 11-Speed, SGS

• Derailleur, Front

  -

• Shift Lever

  Shimano Deore, 11-Speed, SL-5100R

• Crankset

  Marin Forged Alloy 1x11, Hollow Spindle, Steel Narrow Wide 32T Chainring, Direct Mount Type

• Bottom Bracket

  External Sealed Cartridge Bearings

• Chain

  KMC X-11 Silver and Black

• Cassette

  SunRace, 11-Speed, 11-51T, ED Black

• Brake, Front

  Tektro HD-M280 Hydraulic, 180mm Rotor

• Brake, Rear

  Tektro HD-M280 Hydraulic, 160mm Rotor

• Brake Levers

  Tektro HD-M280

• Handlebar

  Marin Mini-Riser, 6061 Double Butted Aluminum, 15mm Rise, 720mm Width, 4º Up, 9º Back

• Stem

  Marin 3D Forged Alloy, 35mm

• Grips

  Marin Dual Density

• Headset

  FSA No 57E, Semi-Sealed Cartridge Bearings, 1 1/8" x 1 1/2”

• Seatpost

  Marin Alloy, 30.9mm

• Saddle

  Marin Speed Concept

Specifications, pricing, and availability are subject to change without notice.

Geometry

All lengths in millimeters

24” WHEELS – UPGRADEABLE TO 26”

The 24" wheel Rift Zone Jr can fit 26” wheels down the road, extending its life and versatility.

Suspension Setup

REAR SHOCK SET UP

Recommended Sag = 30%/15mm

Step 1: Set correct pressure in rear shock.

Step 2: Sit on the bike and cycle the suspension (*with correct riding gear).

Step 3: Reset O-ring and sit on the bike, DO NOT BOUNCE, carefully step off.

Step 4: Measure sag (from o-ring to seal of shock), If it does not match the bike’s recommended sag in millimeters repeat process.

Step 5: Adjust rebound setting to ensure proper control.

FORK SET UP

Marin recommends that all bikes front and rear suspension feel balanced

Step 1: After rear sag is set follow the recommended pressure from the fork manufacture.

Step 2: Bounce evenly up and down on the bike, cycling the suspension up and down to make sure both front and rear suspension feel balanced, if the front does not match the rear add or release pressure.

Step 3: Once the bike feels balanced adjust the rebound damping to ensure proper control.

X-Fusion O2 Pro R