Kross Hexagon JR

2026 YouthMountain youth Manufacturer page

Fork travel: 40 mm
Wheels: 24″
Drivetrain: 8
Weight: 11.7 kg 25.8 lb · Reference configuration not specified
Frame: Aluminum
Brakes: Rim brake

Sizes

Size guide

The manufacturer did not publish rider heights for these sizes.

Components

7 of 18 identified

Parts found in a manufacturer catalog show their brand, model and key numbers, and the steps show how precisely they are identified: brand, series, model, or the exact product. The info button has every detail and the text the manufacturer published.

Frame and fork

1 part

Frame

ALUMINIUM PERFORMANCE Not identified

Suspension

1 part

Fork
- Zoom

Drivetrain

6 parts

Bottom bracket

BB A-01 Not identified

A-01
Cassette

SUNRUN FW-8I Not identified

FW-8I
Chain
- KMC Z8.3 8 speeds
Crankset

WHEEL TOP Not identified
Rear derailleur
- Shimano Tourney TX RD-TX800 8 speeds
RD-TX800
Shifters
- Shimano Altus SL-M315
SL-M315

Brakes

2 parts

Brake levers

ALUMINIUM Not identified
Brakes

Front: V-BRAKE, Rear: V-BRAKE Not identified

Wheels and tires

4 parts

Front hub

ALUMINIUM Not identified
Rear hub

ALUMINIUM Not identified
Rims

ALUMINIUM Not identified
Tires
- Wanda

Cockpit and contact points

4 parts

Grips
- Kross
Headset

1-1/8" Not identified
Pedals

PLASTIC COMPOSITE Not identified
Saddle
- Kross

Sizes and geometry

1 size Open in the geometry plotter

Complete rider-height ranges are not published for these sizes. You can still explore the geometry below.

Size 12"

Table

Reach 351mm

Stack 519mm

Wheelbase 977mm

Head angle 70.0°

Seat angle 72.0°

Every size is drawn to the same scale, in millimeters. Explanatory schematic on an assumed 24″ wheel; exact published values are in the table below.

Size Reach Stack

Complete manufacturer geometry table 1 published size

Complete manufacturer geometry by size
Measurement
Frame
Reachmm	351
Stackmm	519
Top tube lengthmm	520
Seat tube lengthmm	310
Head tube lengthmm	120
Head tube angle	70°
Seat tube angle	72°
Chainstay lengthmm	406
Wheelbasemm	977
Front centermm	572
Bottom bracket dropmm	25
Fork rakemm	38
Stack/reach ratio	1.48
Suspension and parts
Handlebar widthmm	580
Stem lengthmm	50

Not published by the manufacturer: Bottom bracket height, Standover height, Trail, Front travel, Rear travel, Crank length, Stem angle, Seatpost length and Dropper post travel.

Specifications

Frame and fork

Intended fit: Unisex
Frame material: Aluminum
Bicycle weight: 11.7 kg

25.8 lb

Suspension

Suspension configuration: Hardtail
Front travel: 40 mm

Drivetrain

Rear sprockets: 8

Derived by Bikelake

Wheels and brakes

Wheel configuration: Same size
Brake type: Rim brake

Fit and controls

Shifting: Mechanical

Additional specifications

Wheel material: Aluminum
Wheel size: 24″

Technical analysis

1 measure

How these figures sit among bicycles of the same class and model year. Context, not a ranking.

Shifting

Mechanical

9 of 321 bicycles with this information use electronic shifting.

Cohort: Youth / Mountain youth Model year: 2026
Sample: 321 bicycles with this information
Coverage: 100.0% of the class

Lineup changes

The published facts that differ across this family's builds and from the same model a year earlier. Missing information never counts as zero.

Differences across 2026 builds

Differences across 2026 builds
Specification	This bicycle Kross Hexagon JR	Kross Hexagon 1.0	Kross Hexagon 2.0	Kross Hexagon 2.0 EQ	Kross Hexagon 3.0	Kross Hexagon 3.0 ULT.RA
Frame
Bicycle weight	11.7 kg	13.7 kg	15.2 kg	17.2 kg	15.2 kg	15 kg
Suspension
Front travel	40 mm	80 mm	100 mm	100 mm	100 mm	100 mm
Drivetrain
Rear sprockets	8	Not informed	Not informed	Not informed	Not informed	Not informed
Brakes
Brake type	Rim brake	Rim brake	Mechanical disc	Mechanical disc	Mechanical disc	Hydraulic disc
Other specifications
Wheel size	24″	26″	27.5″ / 29″	27.5″ / 29″	27.5″ / 29″	27.5″ / 29″
Tire width	Not informed	2.1″	2.25″	2.1″	2.25″	2.25″