Avanti Hammer Jnr

Name: Avanti Hammer Jnr
Brand: Avanti

2025 MountainTrail Manufacturer page

Image not available

The bicycle record remains available with its published technical data.

Travel: 140 / 130 mm Fork / rear shock
Wheels: 29″
Drivetrain: 1 × 11 30t / 11–42t
Gear range: 382%
Frame: Aluminum
Brakes: Hydraulic disc

Not published by the manufacturer

Sizes and geometry

Components

17 of 22 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

AL-6061 Ultralight tubing, 130mm, 1.5” tapered headtube, 148x12mm thru-axle, UDH hanger, flip-chip for 26” wheel Not identified

AL-6061

Suspension

2 parts

Drivetrain

6 parts

Bottom bracket

BSA Not identified
Cassette
- SRAM PG-1130 11 speeds 11–42t
PG-1130
Chain
- KMC X11 11 speeds
Crankset
- Prowheel 30t
Rear derailleur
- SRAM NX
Shifters
- SRAM NX

Brakes

2 parts

Brake levers
- Shimano BL-MT501
BL-MT501MT-501
Brakes
- Shimano BR-MT500
BR-MT500MT-500

Wheels and tires

5 parts

Front hub
- Formula DC-71
DC-71DC-3248
Rear hub
- Formula DC-71
DC-71DC-3248
Rims
- Syncros
Spokes

Stainless steel Not identified
Tires
- Kenda Hellkat

Cockpit and contact points

6 parts

Grips
- Syncros
Handlebar

Alloy Junior riser 31.8 with 9deg backsweep, 25mmrise, and 19mm grip diameter for small hands Not identified
Headset
- Syncros
Pedals

Kids platform 9/16th Not identified
Saddle
- Syncros
Seatpost
- Syncros

Specifications

Frame and fork

Intended fit: Unisex
Frame material: Aluminum

Suspension

Suspension configuration: Full suspension
Front travel: 140 mm
Rear travel: 130 mm

Drivetrain

Derived by Bikelake

Front chainrings: 1
Smallest chainring: 30
Largest chainring: 30
Rear sprockets: 11
Smallest sprocket: 11
Largest sprocket: 42
Lowest gear: 20.7 in
Highest gear: 79.1 in

Wheels and brakes

Wheel configuration: Same size
Brake type: Hydraulic disc

Fit and controls

Derailleur hanger: UDH
Seatpost: Dropper seatpost
Shifting: Mechanical

Additional specifications

Bottom bracket standard: BSA
Fork spring: Air
Tire width: 2.4″
Wheel material: Aluminum
Wheel size: 29″

Technical analysis

4 measures

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

Front travel

140 mm

This value is within the central range for this class.

Cohort: Mountain / Trail Model year: 2025
Sample: 1,808 bicycles with this information
Coverage: 97.5% of the class

Lowest gear

20.7 gear inches

This value is above the central range for this class.

Cohort: Mountain / Trail Model year: 2025
Sample: 1,382 bicycles with this information
Coverage: 74.5% of the class

Highest gear

79.1 gear inches

This value is below the central range for this class.

Cohort: Mountain / Trail Model year: 2025
Sample: 1,382 bicycles with this information
Coverage: 74.5% of the class

Shifting

Mechanical

387 of 1,847 bicycles with this information use electronic shifting.

Cohort: Mountain / Trail Model year: 2025
Sample: 1,847 bicycles with this information
Coverage: 99.6% of the class

Gearing

Estimated speeds at 80 rpm

Lowest gear: 7.9 km/h
Highest gear: 30.3 km/h

Total gear range 382%

Technical details and class reference

These speeds describe the gearing at the selected cadence, not how fast you can ride.
Calculated from published gear-inch values and their wheel-size assumptions.
These gearing values describe the bicycle, not a selected frame size.
A 100% range means one ratio; 500% means the highest ratio is five times the lowest.
For e-bikes, motor assistance cutoff is not represented.

Gear-inch range

Lower gear-inch values travel less distance per pedal revolution; higher values travel farther.

This bicycle: 20.7–79.1 gear inches
Class reference (p10–p90): 17.1–98.6 gear inches; The band runs from p10 for the lowest gear to p90 for the highest gear.

Cohort: Mountain / Trail Model year: 2025
Lowest gear: 1382 bicycles with this information, 74.5% of the class
Highest gear: 1382 bicycles with this information, 74.5% 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 2025 builds
Specification	This bicycle Avanti Hammer Jnr	Avanti Hammer 1	Avanti Hammer 2	Avanti Hammer LT1	Avanti Hammer LT2	Avanti Hammer S1
Suspension
Suspension configuration	Full suspension	Hardtail	Hardtail	Full suspension	Full suspension	Full suspension
Front travel	140 mm	130 mm	140 mm	Not informed	160 mm	130 mm
Rear travel	130 mm	Not informed	Not informed	Not informed	145 mm	130 mm
Drivetrain
Smallest chainring	30	30	30	32	32	32
Largest chainring	30	30	30	32	32	32
Rear sprockets	11	10	11	12	12	12
Largest sprocket	42	48	46	50	50	50
Lowest gear	20.7 in	18.1 in	18.9 in	18.6 in	18.6 in	18.6 in
Highest gear	79.1 in	79.1 in	79.1 in	84.4 in	84.4 in	84.4 in
Cockpit
Derailleur hanger	UDH	Not informed	Not informed	Not informed	Not informed	Not informed
Other specifications
Bottom bracket standard	BSA	BSA	BSA	BB86/BB92	BB86/BB92	BB86/BB92
Fork spring	Air	Coil	Air	Air	Air	Air
Suspension	Full suspension	Hardtail	Hardtail	Full suspension	Full suspension	Full suspension
Tire width	2.4″	2.6″	2.6″	2.3″	2.3″	2.4″
Wheel size	29″	29″	29″	27.5″ / 29″	27.5″ / 29″	27.5″ / 29″