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Standard delivery to UK addresses is free over £29.

Next Day deliveries will be shipped same day if you place your order before 2pm Monday - Friday.

If you are not happy or have changed your mind you can return your unused product within 123 days of placing the order for a refund. Simply return it to us, free of charge, with all the original packaging.


Sonder Alpha 700c Dynamo are our performance wheels built with a Sonder Juice 100 dynamo hub. They're light, versatile disc brake wheels built for riding fast in all seasons. With a dynamo you'll never run out of power when your adventure outlasts the day.

20mm wide rims are perfectly suited for 28–50mm tyres, which means more traction, a broader contact patch and lower rolling resistance. Light rims spin up quickly and sealed cartridge bearings are low maintenance and long lasting.

Sonder Juice 100 is a highly efficient, low drag dynamo hub with a 6V / 3W output. Suitable for road and gravel bikes, it's tested down to -20°C so you can rely on pedal power even in extreme conditions.

We lace, build and finish all our wheels by hand right here in the UK and each gets a full quality control inspection before you ride them away.


Product overview

  • Light, wide rims increase the contact patch of tyres and reduce rolling resistance
  • Sonder Juice 100 dynamo hub with 6V / 3W output
  • Powers lights and charging packs by pedal power
  • Tested down to -20°C
  • Sealed cartridge bearings for low maintenance
  • Designed, hand laced and precision built in the UK
  • Covered by our 28 Day Ride Guarantee
  • 3-year Alpine Bond

Technical details


Rim: 20mm (internal width)
Tyres: 700c x 28-55mm (not included)
Rear hub: Sonder Alpha (12mm thru-axle)
Front hub: Sonder Juice 100 (12mm thru-axle)
Spokes: Stainless steel double-butted
Bearings: Cartridge (sealed)
Brakes: 6-bolt


6V (includes connector)


Front wheel: 1.19kg (incl. dynamo)
Rear wheel: 1.00kg