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S501 20

” Electric

 Folding Bicycle 

 

 

©2019 MONSTERPRO  

 

 

Introduction 

Congratulations on purchasing a MONSTEPRO pedal assisted folding bicycle. We hope you enjoy years of 
satisfactory and safe riding. 

Read the manual 

This manual is provided to help you to get the best performance, comfort, enjoyment and safety from 

your bicycle. The manual describes specific care and maintenance procedures that help protect your 
warranty and ensure trouble-free use. Please pay particular attention to the section on battery charging 
and maintenance. 

Read the manual before assembling and riding your bicycle. 

Note that the manual is not intended to be an extensive reference source for servicing, maintenance 
and/or repairs. For additional assistance, contact an authorised MONSTERPRO service centre. 

In the interests of your safety and the safety of others, it is highly recommended to have your bicycle 
assembled and serviced / adjusted by a skilled bicycle mechanic. 

 

 

 

Summary of Contents for S501

Page 1: ... User Manual Revision 2 0 June 2019 READ THIS MANUAL CAREFULLY BEFORE USE FAILURE TO DO SO MAY RESULT IN INJURY PROPERTY DAMAGE AND MAY VOID WARRANTY KEEP THIS MANUAL FOR FUTURE REFERENCE PRODUCTS COVERED BY THIS MANUAL MAY VARY IN APPEARANCE ASSEMBLY INCLUSIONS SPECIFICATIONS DESCRIPTION AND PACKAGING ...

Page 2: ... to ensure the frame latch frame latch safety hook handle post latch and handle post safety hook are all properly secured When secured the frame and handle post will be completely rigid This product is manufactured for performance and durability but is not impervious to damage Stunts or other aggressive riding can over stress and damage the product and the rider assumes all risks associated with h...

Page 3: ...nce procedures that help protect your warranty and ensure trouble free use Please pay particular attention to the section on battery charging and maintenance Read the manual before assembling and riding your bicycle Note that the manual is not intended to be an extensive reference source for servicing maintenance and or repairs For additional assistance contact an authorised MONSTERPRO service cen...

Page 4: ... model you received Folding and unfolding instructions are similar and should be used as a reference guide Tools Required for Assembly The bicycle may come supplied with some tools But you may require some other tools which not included for maintenance No Name 1 Handlepost 2 Handlepost Latch 3 Frame Latch 4 Seat 5 Pedal 6 Bike Stand 7 Battery ...

Page 5: ...me Step Four Move the frame latch safety hook into the closed position Step Five Swing the post handle up to the vertical position Step Five Push the handle post latch inwards until it snaps closed Step Six Please make sure the spacer places closed and safety locked Step Seven Simply flip the pedal into the horizontal position Be careful to keep your fingers outside the body of the pedal or they m...

Page 6: ...atch Step Four Swing the handle post into the folded position which is upside down and flush against the front wheel and frame Step Five Move the frame safety hook to the open position PULL the lever to release the bottom pin Step Six Fold the frame in half by swinging the front half of the frame back until the two wheels are parallel Your bicycle is now ready for easy transportation or storage Re...

Page 7: ...dlebar assembly centrally into position in the clamp rotate the handlebar assembly as required so it is aligned square to the front fork That is the handlebar will be at 90 to the bicycle frame when the front wheel is straight Using an Allen key and torque wrench tighten the screws to the torque Handlebar Installation Video Guide is available at https tdrmoto com au user manual S501 Handlebar mp4 ...

Page 8: ...S501 20 Electric Folding Bicycle 2019 MONSTERPRO 8 Presentation of LCD Screen ...

Page 9: ...efault value is 10 minutes P05 Number of Assist levels 0 3 assist levels 1 5 assist levels 2 9 assist levels P06 Wheel size selection Wheel Size default is 26 P07 Number of magnets for speed sensor switch from 1 to 100 P08 Speed limit set the speed limit from 0 to 100Km h 100 means no limit P09 Non zero speed start 0 Zero speed start 1 Non zero speed start P10 Driving mode selection 0 Assist mode ...

Page 10: ... faster and travel slower to climb hills Gearing is independent to pedal assistance so pedal assistance operates the same regardless of selected gear Remember however that pedal assistance is governed by overall speed The selectable gears A are located on the rear wheel known as a gear cluster or cassette The larger the gear the less number of rotations per rotation of the crank The largest gear i...

Page 11: ...e this means rubber blocks pinching the outer rim of the bicycle wheel not the tyre For drum brakes this means pushing sections known as shoes of special friction material against the inside of cylinder fixed to the centre of the bicycle wheel The brakes are operated by the rider through levers mounted to the handlebars The left hand lever operates the rear brake the right hand lever operates the ...

Page 12: ...ly the brakes and cause the wheel to stop rotating this may result in loss of control Maintain the brake friction components pads shoes rubbers in good condition and replace when they reach the wear limit Maintain brake adjustment so that the brakes perform effectively the levers are comfortably positioned and there is not excessive play in adjustable components If the brakes are not performing ef...

Page 13: ...charger indicator LED illuminates green Disconnect the charger from the electrical supply then put the battery back to the bicycle Battery Storage When storing the batteries for a long period of time Charge the batteries at least every 30 days to avoid capacity loss Batteries slowly self discharge when unused over a long period If the battery cells are left at a critically low charge state the lif...

Page 14: ...bicycle for any signs of component fatigue look for cracks fraying discoloration etc as this may indicate that a part is near the end of its useful life and should be replaced Clean the bicycle with a soft damp cloth do NOT use high pressure water cleaners or hoses pressurised air solvents abrasives etc For the console battery and motor do NOT use any liquids When transporting in a vehicle it is r...

Page 15: ...te Adjust Tighten Replace as Required Tyre Pressure Tyre Wear Damage Brake Adjustment Handlebar Tightness Controls and Displays Seat Post Tightness Fasteners Mounting Hardware Brake Pads Brake Cable Wear Chain Reflectors Battery Charger Steering Head Bearings Derailleur Wheel Spoke Tension Wheel Trueness Wheel Bearings Bottom Bracket Crank Bearings ...

Page 16: ...ace 5 Adjust Clicking noises when pedaling 1 Stiff chain link 2 Loose pedals bearings 3 Loose bottom bracket bearings 4 Bent bottom bracket or pedal bolt 5 Loose pedal arm bolts 1 Lubricate chain 2 Tighten adjust bearings 3 Tighten adjust bearings 4 Replace 5 Tighten Grinding noise when pedaling 1 Pedal bearings too tight 2 Bottom bracket bearings too tight 3 Rear wheel not straight 4 Chain too ti...

Page 17: ...pect and clean terminals 3 Replace Bicycle runs at full speed without pedalling 1 Faulty crank sensor 2 Faulty throttle 3 Faulty controller 1 Replace 2 Replace 3 Replace Throttle if equipped not returning to neutral position 1 Grip jamming against throttle 2 Faulty throttle 1 Reposition grip so gap to throttle is 1 to 2mm 2 Replace Pedal assistance operating intermittently or not as expected 1 Loo...

Page 18: ...metropolitan size Use beyond these recommendations may require more frequent inspections servicing Ensure that all users of the product have completed a suitable industry recognized training course before being allowed access to the product The product has been supplied by a general merchandise retailer that may not be familiar with your specific application or description of application Be sure t...

Page 19: ... marks or imperfections will not be covered Warranty will be void if the product is ever Used in any competitive sport Modified in any way includes but not limited to modifications to the bicycle components electrical components Misused abused or neglected Rented for commercial use sold or given away Monsterpro will not be liable for incidental or consequential loss or damage due directly or indir...

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