This document is a Set-up & Care Guide for the Pure Free e-Bike, which includes both Pure Free City and Pure Free Step models. It provides quick-start assembly instructions, a systems overview, care guidelines, and technical and warranty information.
Function Description:
The Pure Free e-Bike is a road-going electric bicycle designed for everyday cycle transport on paved roads and well-surfaced tracks or dedicated cycle paths. It is classified as a 250W / 25kph limited 'EPAC' (Electrically Power Assisted Cycle) according to EN15194:2017 testing definitions, conforming to EN15194:2017 and CE and UKCA declarations. The e-bike provides pedal assistance through a rear hub motor, making cycling easier, especially on inclines or for longer distances. It features a display unit on the handlebar for controlling power assist levels, lights, and monitoring battery status. A 'walk-assist' mode is also available for pushing the e-bike at 6km/h.
Important Technical Specifications:
- Model: Pure Free Step / Free City e-bike – certified UK and EU road-legal Pedelec/EPAC according to EN 15194:2017.
- Weight: Free City 21kg / Free Step 23kg.
- Motor: 250W brushless rear hub motor, 36V.
- Battery: 8.7Ah 36V 313Wh lithium battery.
- Drivetrain: Shimano Tourney™ RevoShift™ 7-speed transmission.
- Chainset: 42T chainring, 170mm crank arms.
- Bottom bracket: Square Taper, BSA threaded, 68mm shell, 122.5mm axle length.
- Brakes: V-brakes.
- Tyres: 700 x 38 or 40C.
- Inner tubes: 700 x 35-45C, Schrader (car) valve type.
- Rims: 700 x 19C, 36 hole, double wall box construction with CNC sidewalls.
- Headset: Zero-stack / semi-integrated type for 44mm ID head tube and 1 1/8" threaded steerer. SHIS reference - upper ZS44/28.6, lower ZS44/30.
- Front hub: Ball bearing type.
- Charger: Intelligent lithium battery charger, 2A current, with protections including current overload, short circuit, temperature protection, and minimum charging limit protection. CE certified, suitable for indoor use in mainland Europe, operating range 0 to 30 degrees Celsius.
- Battery Casing: Rated to IPX2 for water resistance.
Usage Features:
- Quick-Start Assembly: The e-bike comes largely pre-assembled, requiring users to attach the handlebars, adjust stem height, fit pedals, adjust saddle height, and for the Pure Free Step model, secure the front basket and light.
- Display Unit: The handlebar display unit has three buttons: Power (P), Lights (L), and Mode (M).
- Power On/Off: Press the small power button on the battery indicator display first, then press P on the handlebar display to turn on the system. Press and hold P to turn off.
- Power Assist (PAS) Levels: Cycle through assistance modes 0-3 using the MODE button. Level 0 is no assistance, Level 3 is maximum assistance.
- Battery Level Indicator: The display shows current charge with 4 LEDs. The battery indicator display on the battery casing also shows 25, 50, 75, or 100% charge status.
- 6km/h 'Walk-assist' Mode: Hold the MODE button for more than 2 seconds to activate, providing assistance when pushing the e-bike.
- Lights: Press the LIGHT button to turn front and rear lights on/off.
- Gears: 7-speed Shimano Tourney™ transmission, selectable via a twist grip on the right handlebar.
- Charging: Full charge takes 4.5 to 6 hours. The charger has indicator lights: Red for charging, Green for completed charging.
- Safety Checks (Pre-ride):
- Tyre pressure (40-75PSI).
- Wheels spin freely without obstructions.
- Brake function is good.
- Wheel axle bolts are tightened (10Nm front, 15Nm rear).
- Bolts securing seat post, bars, and stem are tight (5-6Nm for seat post, handlebar, and stem bolts).
Maintenance Features:
- Battery Care:
- Only use the supplied charger.
- Store in a cool, dry location.
- Maintain around 40% charge for long-term storage; fully charged is better than empty.
- Charge for 1 to 1.5 hours every 2 months when unused.
- Avoid high temperatures, direct sunlight, water immersion, salts, solvents, acids, or bases.
- Do not disassemble the battery.
- Avoid washing the battery all over with a hose; it's IPX2 rated, not designed for constant spray.
- Ensure the battery is locked in place before riding to prevent disconnection.
- Cleaning:
- Take care when cleaning; avoid washing the battery all over with a hose.
- Electrical components are water resistant for normal use, but jet washes can overpower seals.
- Avoid directing water inside the battery carrier, especially when on a car roof rack or during heavy rain.
- Drivetrain Maintenance:
- Clean and re-lubricate the chain periodically with bike chain lubricant.
- Use a degreaser, warm water, and a soft brush to remove debris from the chain, sprocket, and chainring.
- Avoid aggressive degreasers near pedal, chainset, or hub bearings.
- Lubricate with light oil or wax 'dry' lubricant, applying sparingly and wiping off excess.
- Brakes:
- Cable-operated rim brakes will need adjustment as pads wear. This should be done by a trained mechanic.
- Barrel adjusters on levers and callipers can be used for minor pad wear adjustments (turn anti-clockwise).
- Check rim sidewalls for wear indicator lines; worn lines mean the rim is no longer safe and needs replacement.
- Tyres:
- Maintain recommended tyre pressures (indicated on sidewalls) for comfort, battery range, control, and safety.
- Check tyres regularly for cuts or embedded objects to prevent punctures.
- Bearings (Wheel, Crank, Headset):
- Wheels/hubs and pedal cranks/chain set run on bearings requiring periodic maintenance.
- Looseness or side-to-side play indicates worn bearings, requiring service or replacement.
- Headset bearing should allow free steering. Knocking when rocking the bike with the front brake applied indicates looseness, requiring service.
- Warranty:
- Statutory warranty against non-conformity defects in material and workmanship.
- Seller's warranty: 2 years for electronics, suspension forks/units; 3 years for frames and rigid forks.
- Requires a free safety check at a Pure Electric store within 6 weeks of use to maintain validity.
- Warranty is voided by misuse, mishandling, not following instructions, disassembly, modification with non-licensed parts, or crash damage. Normal wear and tear is not covered.
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