Skip to product information
1 of 11


Radio Sonar MTB Freecoaster Rear Hub


Regular price $169.99 USD
Regular price $169.99 USD Sale price $169.99 USD Sale Sold out
Shipping calculated at checkout.
In stock at these locations

Choose Shipping, Home delivery or In-store pick up location at checkout!


The MTB specific Sonar Freecoaster Hubs feature a patented "HYBRID" freecoaster system, creating a new type of hub that functions unlike anything else. Based on similar construction to a traditional hub, the Sonar Freecoaster is lightweight, simple to adjust system with ample durability and reliability.
  • Larger, fully adjustable slack system, and a "MagnaDrive" magnetic pawl retention system, requires little to no maintenance compared to the heavy and unreliable clutch style freecoasters
  • Provides zero friction and resistance making it one of the smoothest and fastest rolling hubs; going forwards or backwards
  • Easily convertible into a cassette hub (all parts included)
  • 6061-T6 Alloy hub shell & 7075-T6 axle
  • x5 sealed high-grade stainless bearings
  • MTB specific, 135mm spacing and 6-bolt disc brake mount
  • 33% lighter than a conventional clutch style freecoaster hub

Product Specifications

axle size


axle type


bearing type

Sealed Cartridge

cassette body type

HG Mini Driver

center to flange, left


center to flange, right



Matte Nebula Purple

defined color


flange diameter, left


flange diameter, right


hub drilling


hub type

Rear Freecoaster

rear axle

10mm Thru x 135mm, Bolt-on x 135 mm

spoke interface


  • Free Shipping

    Can't wait another minute to get your hands on the latest gear?
    Order online and pick up at your local Incycle or take advantage of FREE shipping on orders over $49.99 (free shipping on bikes over $1500) Exclusions Apply.

  • Chat With Us

    We are here for you with over 30 years of experience supporting our cycling community. With a great team behind the scenes online, reach out to us via our live chat or email us at with any questions.