e*thirteen Sidekick Rear Hub
Best performance upgrade for mountain bikers seeking smoother, quieter suspension action.
A revolutionary hub that actively filters out chain vibration and pedal kickback to improve suspension performance. It offers a unique, tunable riding experience that prioritizes smoothness and silence over traditional engagement speed.
$499.95
at
Marblehead Cycle
More Sidekick options
Who it's for
- Technical climbers needing immediate power transfer for tricky sections
- Home mechanics who prefer maintaining their own gear
- Aggressive riders seeking maximum wheel stiffness and handling precision
Who should skip it
- Weight-conscious racers prioritizing the lightest possible bike setup
- Cyclists who prefer a silent, stealthy ride while coasting
- Budget-focused shoppers looking for value-oriented component upgrades
Performance breakdown
Suspension Optimization
Anti-kickback technology noticeably smooths out rough terrain and technical descents.
Drivetrain Drag
Disengaging mechanism creates a near-frictionless coasting experience on the trail.
Customization
Tool-free deadband adjustment makes fine-tuning your ride feel incredibly simple.
Build Durability
Robust 60T ratchet system handles high-torque e-bike power with ease.
Serviceability
Fully rebuildable design ensures long-term reliability for dedicated mountain bikers.
Acoustic Profile
Near-silent operation keeps your ride focused on the trail ahead.
Key Specs
Rear Axle
12mm Thru x 148mm, 12mm Thru x 157mm
Cassette Body Type
Shimano HG, Shimano Micro Spline, SRAM XD
Color
Black/Silver, Black/Sterling Silver
Bearing Type
Cartridge Bearings
Weight
423g, 427g, 450g, 452g, 456g, 467g
Designed for ebike
Yes
Spoke Interface
J-Bend
Hub Drilling
28, 32
Hub/Brake Compatibility
6-Bolt Disc
Model
Sidekick
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