RADIO Sonar MTB 135 Freecoaster Hub

The Sonar is an MTB-specific freecoaster hub from RADIO with 135 mm spacing, developed over four years with Niklas Tilk.

Features

• Uses the WETHEPEOPLE patented Hybrid System internals – runs like a cassette hub with full freecoaster function
• MagnaDrive magnetic pawl retention and adjustable slack
• Zero-drag system, approx. 33% lighter than clutch-style freecoasters
• Convertible to a cassette hub (all parts included)
• 6-bolt disc mount

Specifications

• Material: 6061-T6 aluminum shell, 7075-T6 axle, stainless bolts
• Size: 135 × 10 mm, 32 holes
• Bearings: 5 sealed stainless bearings
• Driver: 10T one-piece or Mini HG with 12T cog
• PCD: 58 mm (disc side) / 58 mm (drive side)
• Flange spacing: 67.75 mm
• Flange offset: 32.21 mm (disc) / 35.54 mm (drive)
• Colors: Black / Nebula Purple
• Weight: 442 g (10T) / 457 g (12T)