Call us: 01702 684444  ·  Mon-Fri, 10am-5pm
Free UK delivery on all complete kits & bikes  ·  ★ 4.8/5 on Trustpilot

Conversion Kits

Keep the bike you love — just add a motor. Powerful, reliable, road legal, and fully supported by mechanics here in the UK.

Crank Drive Kits

3 motors available
⚙️

Crank Drive Kits

The motor fits where your pedals attach, giving smooth, natural pedal assistance — especially powerful on hills and longer rides. All motors are 250W, street legal, OEM spec.

Full Details →
BAFANG BBS01B
Cadence sensor + throttle · 36V & 48V
  • 36V — smooth standard torque
  • 48V — higher torque for climbing
  • Cadence sensor for natural pedal assist
  • Throttle control for direct power
  • 250W OEM, street legal
View details →
TSDZ2B
Torque sensor + throttle · 48V
  • 48V for strong hill climbing
  • Torque sensor — controls power with pedal force
  • Throttle for optional pedal-free control
  • High efficiency and extended range
  • 250W OEM, street legal
View details →
⭐ Best Seller
TSDZ8
Advanced torque sensor · 48V
  • Our best-selling kit two years running
  • 48V top-tier electric assistance
  • Advanced torque sensing for smooth power
  • High efficiency and long battery life
  • 250W OEM, street legal
View details →

Geared Hub Kits

2 kits available
🔄

Geared Hub Kits

A compact motor sits inside your wheel hub — quiet, reliable, and low maintenance. Doesn't touch your gears or chain. All motors are 250W, street legal, OEM spec.

Standard Hub Kits
Fits 20", 26", 27.5" & 700C wheels
  • Compatible with most wheel sizes
  • Various battery options for different ranges
  • Internal gearing for smooth, reliable power
  • Water-resistant and low maintenance
  • 250W OEM, street legal
🎬 View the animated fitting guide Step-by-step visual walkthrough View details →
85TS Hub Kits
Compact design · High torque
  • Compact 85mm motor — very discreet
  • High torque for hills and stop-start riding
  • Easy installation on most standard bikes
  • Reliable for daily year-round commuting
  • 250W OEM, street legal
View details →

Kit Finder

Find the right kit for your bike
🔍
Kit Finder

Which kit fits your bike?

Use our interactive tool to check compatibility — or simply give us a call and we'll check for you. We always verify compatibility before shipping, so there are no surprises.

🚲

Keep Your Bike

Love your current bike? Convert it instead of replacing it. Our kits fit most standard frames.

🔧

Expert Guidance

Our team checks compatibility for your specific bike model before you buy — no guesswork, no returns.

💬

UK Support

Get direct phone and email support from our Southend-on-Sea workshop whenever you need it.

Not sure which kit is right? Let's talk.

We've been fitting conversion kits for over 15 years. Tell us about your bike and we'll recommend exactly the right kit — no jargon, no pressure.

Call 01702 684444