The E*Thirteen Sidekick Super Boost Rear Hub - MicroSpline brings next-level drivetrain performance to riders who demand precision, silence, and control. Engineered for modern suspension bikes, this hub reduces pedal kickback and chain feedback, letting the suspension work freely so every ride feels smoother and more connected to the trail. Whether you’re hammering climbs or floating through technical descents, this hub delivers the perfect balance of quiet efficiency and instant engagement.
Super Boost spacing (12x157mm) maximizes wheel stiffness and stability for aggressive riding.
Proprietary freehub mechanism fully disengages while coasting, eliminating drag and noise.
Adjustable engagement deadband lets riders fine-tune feel between 12°, 15°, or 18° for the perfect response.
60T ratchet ring with a pusher-driven pawl system ensures smooth, silent performance when pedaling.
Designed to reduce pedal kickback and chain vibration—enhancing suspension sensitivity and control.
Built for riders who appreciate fine-tuned performance and quiet efficiency, the E*Thirteen Sidekick Super Boost Rear Hub transforms every pedal stroke into pure traction and momentum.
Specifications & Identifiers
Axle Size
12mm
Bearing Type
Sealed Cartridge
Brake Type
6-Bolt Disc
Cassette / FH Body Type
Shimano Micro Spline
Color
Black/Silver
Defined Color
Black, Silver
Designed for ebike
No
Hub Spacing
157mm
Skewer Included
N/A
Spoke Count
28, 32
Spoke Interface
J-Bend
Weight
450g
Black/Silver - 28h EAN
4711280345595
Black/Silver - 28h MPN
HB4UKA-213
Black/Silver - 32h EAN
4711280345564
Black/Silver - 32h MPN
HB4UKA-210
Tree Fort ID:
333222472543
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