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Jamis Faultline A1

Last known price
$2,599
Travel
130 / 120 mm Fork / rear shock
Wheels
29″
Drivetrain
1 × 12 32t / 10–51t
Gear range
510%
Weight
14.97 kg 33.0 lb · Reference configuration not specified
Frame
Aluminum
Brakes
Hydraulic disc

Rider height by size (cm)

Size guide
  • SM 158–171
  • MD 168–180
  • LG 178–189
  • XL 186–199

Components

16 of 17 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

    Triple-butted 6061 alloy, 120mm travel mp2 suspension, 1.5 – 1 1/8” tapered head tube, asymmetrical chainstays w/12x148mm thru-axle dropout, internal dropper post routing, ISCG05 chainguide mount, Rock Shox Deluxe Select+ RL air shock with rebound adjust & lock out, replaceable derailleur hanger Not identified

Suspension

1 part
  • Fork

Sizes and geometry

Size explorer

Enter your height to highlight matching ranges.

Size MD

Table
Reach 438mm
Stack 621mm
Wheelbase 1179mm
Head angle 67.5°
Seat angle 74.5°
Every size is drawn to the same scale, in millimeters. Explanatory schematic on an assumed 29″ wheel; exact published values are in the table below.
Size Reported by the manufacturer

Specifications

Frame and fork

Intended fit
  • Unisex
Frame material
  • Aluminum
Fork material
  • Aluminum
Bicycle weight
  • 14.97 kg
  • 33.0 lb

Suspension

Suspension configuration
  • Full suspension
Front travel
  • 130 mm
Rear travel
  • 120 mm

Drivetrain

Derived by Bikelake
Front chainrings
  • 1
Smallest chainring
  • 32
Largest chainring
  • 32
Rear sprockets
  • 12
Smallest sprocket
  • 10
Largest sprocket
  • 51
Lowest gear
  • 18.2 in
Highest gear
  • 92.8 in

Technical analysis

4 measures

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

Front travel

130 mm

This value is within the central range for this class.

Cohort
Mountain / Trail Model year: 2025
Sample
1,810 bicycles with this information
Coverage
97.5% of the class

Lowest gear

18.2 gear inches

This value is within the central range for this class.

Cohort
Mountain / Trail Model year: 2025
Sample
1,384 bicycles with this information
Coverage
74.6% of the class

Gearing

Estimated speeds at 80 rpm

This bicycle

Lowest gear
7.0 km/h
Highest gear
35.5 km/h

Total gear range 510%

Pedaling rhythm
80rpm
40
60
80
100
120

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

Differences across 2025 builds
Specification This bicycle Jamis Faultline A1 Jamis Faultline A2
Frame
Fork material Aluminum Steel
Bicycle weight 14.97 kg 15.42 kg
Drivetrain
Rear sprockets 12 11
Smallest sprocket 10 11
Highest gear 92.8 in 84.4 in

Other models in this family

2 models

Published versions from the same family and model year.

Jamis Faultline A1, by Jamis

This bicycle

Trail

Faultline A1

  • Weight: 15.0 kg
  • Suspension: 130/120 mm
  • Wheel size: 29″
Jamis Faultline A2, by Jamis

Trail

Faultline A2

Mountain / Trail

  • Weight: 15.4 kg
  • Suspension: 130/120 mm
  • Wheel size: 29″

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