Jamis Bikes | 2023 Faultline A1

📏Size Guide

Built to push harder, descend faster, and stay composed when the trail gets rough.

The Jamis Faultline A1 is a high-performance full-suspension trail bike designed for riders who want modern geometry, capable suspension performance, and aggressive trail capability without sacrificing climbing efficiency.

Built around Jamis’ mp2 suspension platform, the 2023 Faultline A1 combines 115mm of rear travel with a 130mm RockShox 35 Gold RL fork to create a responsive and highly capable trail bike for technical singletrack, fast descents, and demanding terrain. Unlike heavier enduro-focused bikes, the Faultline A1 maintains an efficient and lively trail feel while still delivering impressive descending confidence and traction.

Key Features

• mp2 Full Suspension Platform
115mm rear suspension delivers efficient pedaling performance while maintaining excellent traction and control on technical terrain.

• Premium RockShox Suspension Package
RockShox 35 Gold RL fork paired with a Deluxe Select+ RL rear shock provides improved stiffness, damping control, and trail responsiveness.

• Shimano SLX 1x12-Speed Drivetrain
Wide-range Shimano SLX gearing delivers crisp shifting performance and excellent climbing capability across demanding terrain.

• Tubeless Trail Wheel Setup
Stan’s No Tubes rims paired with Vittoria trail tires improve traction, rollover capability, and trail confidence.

• Modern Aggressive Trail Geometry
Slack front-end geometry and long reach figures improve stability and confidence on steep descents and high-speed terrain.

Technical Specifications

• Category
Full Suspension Trail Mountain Bike

• Discipline
MTB

• Frame
Triple-Butted 6061 Alloy, 115mm Travel mp2 Suspension Platform, Tapered Head Tube, Internal Dropper Routing, ISCG05 Chainguide Mount, 12x148mm Boost Thru-Axle

• Rear Shock
RockShox Deluxe Select+ RL Air Shock with Rebound Adjustment and Lockout

• Fork
RockShox 35 Gold RL 29", Solo Air Compression, Lever Actuated Lockout, External Rebound, 130mm Travel

• Headset
FSA Orbit 1.5 Zero-Stack Internal Cup

• Drivetrain
Shimano SLX 1x12-Speed

• Rear Derailleur
Shimano SLX 12-Speed

• Shifters
Shimano SLX 1x12-Speed

• Crankset
Race Face Ride, 32T

• Bottom Bracket
Race Face BSA

• Cassette
Shimano M7100 12-Speed, 10-51T

• Chain
KMC X12

• Brakes
Shimano MT401 Hydraulic Disc Brakes

• Rotors
Shimano RT30 Rotors — Front: 180mm / Rear: 160mm

• Wheelset
Stan’s No Tubes Arch D 29" Tubeless Rims, Shimano SLX Boost Hubs

• Front Tire
Vittoria Mazza 29 x 2.4” Tubeless

• Rear Tire
Vittoria Agarro 29 x 2.35” Tubeless

• Handlebar
Race Face Ride, 35 x 760mm

• Stem
Race Face Ride, 50mm

• Grips
Jamis Lock-On

• Seatpost
KS Rage Dropper Post with Southpaw Remote

• Saddle
Selle Royal Vivo Ergo

• Weight
Approximately 33 lbs

• Color Options
Sandstone (#B9A48B)

Geometry

Built for riders looking for an aggressive trail bike with modern geometry, confident suspension performance, and efficient all-day trail capability.