Salsa Alternator 2.0 Thru Axle
Best reliable hardware for cyclists using adjustable dropout systems.
This component provides essential adjustability for rear axle positioning, allowing for fine-tuning of chainstay length. It is a specialized replacement part designed to maintain precise drivetrain alignment and brake positioning on specific frames.
$45.00
at
Sierra Cyclesmith
More Alternator options
Who it's for
- Bikepackers seeking flexibility for different terrain and mechanical simplicity
- Technical trail riders who want to customize their bike's geometry
- Aggressive riders demanding a stiff rear end for better control
Who should skip it
- Mechanics who prefer simple, set-and-forget hardware
- Weight-conscious racers looking for the lightest possible frame setup
- Long-distance tourers who need universally available replacement parts
Performance breakdown
Adjustment Precision
The 17mm fore-aft range offers reliable, repeatable drivetrain tensioning.
Frame Compatibility
Broad spacing support covers most modern thru-axle mountain bike standards.
Build Durability
Robust construction ensures long-term stability under heavy drivetrain loads.
Installation Ease
Straightforward swap, though requires precise alignment for optimal shifting performance.
Brake Integration
Post-mount design maintains consistent caliper positioning during axle adjustments.
System Reliability
Engineered specifically for Salsa frames to prevent unwanted axle movement.
Key Specs
Part Type
Dropout Plate
Compatibility
Frames with Alternator 2.0 dropouts
Axle Compatibility
12mm thru-axle
Thread Pitch
1.5
Frame Spacing Compatibility
142mm, 148mm, 177mm, 197mm
Brake Compatibility
Post-mount
Adjustment
17mm fore-aft
Know before you buy
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Ask Metto anything about the Salsa Alternator 2.0 Thru Axle before you decide.