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£1,795.00

OR FROM £75 PER MONTH 0% APR

The most versatile smart bike for fitness enthusiasts

The Wattbike Proton delivers accurate power measurement and smooth, quiet performance in a streamlined design built for home training.

  • Free UK delivery in 3 - 5 working days
  • Comprehensive 2 year warranty
  • 0% finance available – spread the cost
  • Compact, quiet and built for home use
  • Free spring bundle included - Floor mat, towel, cycling fan, water bottle, Hub+, 2 months Rouvy & £50 Le Col voucher
    *Cycling fan delayed due to shipping issues and will be dispatched separately w/c 1st June.

WHY CHOOSE PROTON?
  • Switch between riders in seconds without tools
  • Fully automatic smart resistance for hassle free rides
  • Seamless connection to all major apps
  • Engineered to fit in tight spaces
  • Includes lifetime access to the Wattbike Hub App
  • No subscription. No monthly fees.

We don't just talk the talk...

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Verified

Everything was as promised.
Everything was as promised. Easy to set up and simple to use. Very impressed with the quality extremely strong. Very happy with my proton.

Anthony W,
21 May 2025
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Verified

A great experience
We had a great session looking at and testing a Proton. The whole experience was fun and stress free. I am so glad I brought a Proton. It has changed my whole experience of indoor riding.

Val C,
16 May 2025
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My Proton arrived when promised and is...
My Proton arrived when promised and is so easy to use. I find the free workouts simple to follow and stretching (I'm a novice rider)

Glenn M,
09 April 2025
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Verified

Outstanding from start to finish
Outstanding from start to finish! Brought a Wattbike Proton. This bike is absolute quality. Needed something more suitable for home with flexibility for family use. This totally fits the bill, and worth every penny.

Tom,
06 April 2025
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Verified

WATTBIKE Proton

Just bought a WATTBIKE Proton. Firstly it’s an excellent bit of kit, very easy to assemble, set up and connect to Watt hub. Currently training for a sportive and the Proton really suits my needs. Whole family now set up on it and they love it.

Anday P,
28 January 2025
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Verified

Wattbike Proton, 4'6" to 6'6"

I was able to organise a demonstration easily at Wattbike HQ. This process and experience was very valuable for us to make our decision. Our boxed wattbike arrived very quickly.

G M Roberts,
26 February 2025

Rated 4.5/5based on 1,904 reviews.

hu
Workouts
Range
Shifters
Accurate
Connectivity
Quiet

HUNDREDS OF FREE WORKOUTS

Free Wattbike Hub with every bike. Get access to 100s of workouts designed by top coaches.

UNRIVALLED RANGE

From 4" 6" to 6' 6", set up the Proton without tools in seconds. Extended seat and saddle post give a huge adjustment range to suit every rider.

DIGITAL SHIFTERS

Bluetooth-enabled shifters and electromagnetic resistance ensure smooth, responsive gear changes. Options for gear mode for manual shifting, or Ergo mode, which automatically adjusts resistance so you can focus on pedalling.

ASTONISHINGLY ACCURATE

Training takes effort. Wattbike Proton is accurate to 1% so you know that the effort is spent right. Complete workouts exactly as our sports scientists and coaches intended.

CONNECTS TO EVERYTHING

Train on your favourite apps connecting your phone/tablet via Bluetooth or ANT+ - including Zwift, Rouvy, Strava, FulGaz, Training Peaks and more.

TRAIN QUIETLY

The Proton's smooth electromagnetic resistance is quiet. Workout without waking up the family or setting your headphones to eleven.

Additional information

Key Features

Wattbike Proton is our most flexible smart bike — in both adjustability and goals. It fits the tallest and shortest riders and helps you train for every sport.

Make measurable improvements in your performance and health with Wattbike’s world-famous accuracy, realistic ride feel and guidance from hundreds of workouts, free on the Wattbike Hub.

  • Ride hundreds of workouts on the Wattbike Hub, completely free
  • Get riding quicker with tool-free adjustment
  • Fits riders from 4′6″ to 6′6″
  • Automatic resistance changes to control your workouts
  • Compatible with Strava, Zwift, ROUVY, TrainingPeaks and more

Full specifications

MODEL:Proton
HEIGHT:Max. 127cm
FRAME WIDTH:57cm
FRAME LENGTH:Max. 125cm
FOOTPRINT:102 x 57cm
BIKE WEIGHT:48kg
BOXED WEIGHT:50kg
FRAME:Steel
SEAT AND HANDLEBAR STEMS:Aluminium
COVERS:Heavy-duty ABS plastic construction
FEET:Rubber height adjustable
TRANSPORTATION ROLLERS:Yes
INTEGRATED GEAR SHIFTERS:Yes
GEARS:1 - 22
CRANKS:170mm
SEAT:Hybrid comfort seat
PEDALS:Flat pedals with toe cage fitted as standard
CHAIN:Industrial 1/2" x 1/8" steel
BELT:T15 Timing belt
HANDLEBAR HEIGHT ADJUSTABILITY:Range 51 - 80cm
HANDLEBAR FORE/AFT ADJUSTABILITY:Range 0 - 23cm
SEAT HEIGHT ADJUSTABILITY:Range 49 - 83cm
SEAT FORE/AFT ADJUSTABILITY:Range 0 - 20cm
ACCURACY:+/-1%
POWER RANGE:0 - 1800w
RESISTANCE:Electromagnetic
THIRD PARTY CONNECTIVITY:ANT+, Bluetooth, FTMS
THIRD-PARTY APP SMART FUNCTIONALITY CONTROL:Any ANT+FEC Bluetooth FTMS enabled app inc Zwift, ROUVY, TrainerRoad, FulGaz, MyWhoosh
GRADIENT:0 - 25%
Q FACTOR:160mm
MAX. RIDER WEIGHT:135kg
RIDER HEIGHT:4′6″ - 6′6″
EXTERNAL POWER REQUIRED:Yes

Connectivity

APP COMPATIBILITY We support any apps that are ANT+ (inc FE-C) or BLE (inc FTMS) compatible
METRICS MEASURED We measure over 37 metrics about your riding and display them in the Wattbike Hub
THIRD-PARTY APP SMART FUNCTIONALITY CONTROL Any ANT+FEC Bluetooth FTMS enabled app inc Zwift, ROUVY, FulGaz & MyWhoosh
OFFLINE USE Wi-Fi is required for initial login/signup. Ride offline and sync later when connected

What's included

  • Wattbike Proton
  • Free Wattbike Hub app
  • Allen keys & spanners
  • Mains power adapter
  • Adjustable device holder
  • Handlebars
  • Flat pedals with toe cage (fitted as standard)
  • Hybrid comfort saddle
  • Quick start guide