Demon speedometer

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Thread: Speedometer Demon

So here's what Hartmut Mees, from Palo Alto Speedometer, Inc. had in answer to an email I send him last night.


There is a discussion going on in the BMW Motorcycle Owners of America web site about "jerky speedometers". One of the first suggestions was to replace the drive cable. I replaced my cable the first time PAS repaired my speedometer, and I will this time.

My question is, why do you require the cable be replaced? Does the action of a "jerky" cable cause shock loads on the instrument's movement? Another reason?

Just curious.

Thanks. Lew"

"Basically a speedometer cable is a tightly wound spring. When cables "wear" the cable basically "unwinds" slightly, and get "springy". Or, the cable housing gets damaged, and the cable will not turn smoothly. This not turning smoothly will cause the inner cable to bind slightly, causing the speedometer pointer to bounce. When the inner cable gets springy or flexible, it will cause the speedometer pointer to bounce. The bouncing or jerky motion of the pointer can cause the speedometer to wear. More importantly is that a worn inner cable will get longer, and put pressure on the rear of the speedometer. This pressure from a slightly too long inner cable will damage the speedometer mechanism. We started suggesting to customers to replace the cables because we were seeing customers have trouble with their repaired speedometers. The repaired speedometer would bounce, although it was repaired because the cable was flexible. Or if it was too long, it would wear the speedometer with the pressure from the inner cable. When people call me with bouncing speedometers, I always suggest to try the cable first, and then send the speedometer if needed. I always recommend to do both, repair the speedometer and replace the cable. The speedometer will work more smoothly, and last much longer.

Let me know if you have any other questions.

Hartmut Mees


Dart Demon Duster Valiant Speedometer Cable W Autometer

$18.95Buy It Now17d 23h, $11.30 Shipping Estimate, Click to see shipping cost, 30-Day Returns, eBay Money Back Guarantee

Seller:belair2door✉️(71,219)99.9%, Location:Sayville, New York, Ships to: Worldwide, Item:230993755034DART DEMON DUSTER VALIANT SPEEDOMETER CABLE W AUTOMETER. HERE IS A NEW SPEEDOMETER CABLE THAT FITS MOST AUTOMETER SPEEDOMETERS. .THIS CABLE IS 63" LONG AND HAS A 5/8" NUT ON THE SPEEDOMETER HEAD END. AN 73" IS AVAILABLE ON REQUEST, PLEASE MEASURE BEFORE ORDERING 1969 AND NEWER CARS MAY NEED THE 73" THE TRANSMISSION END IS 7/8" X 18 THREAD WHICH FITS MOPAR AUTOMATIC AND 4 SPEED SOME 63 -65 CARS DID NOT USE A THREADED CONNECTION SO IT WILL NOT WORK ON THOSE I HAVE SPEEDOMETER CABLES FOR MOST MAKES AND MODELS .Condition:New, Restocking Fee:No, Return shipping will be paid by:Buyer, Returns Accepted:Returns Accepted, Item must be returned within:30 Days, Refund will be given as:Money Back, Brand:SPC, Manufacturer Part Number:DDDV63, Vintage Car Part:Yes

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Dodge Challenger SRT Demon Features and Specs

Bucket Front Seats w/Power 4-Way Driver Lumbar

10-Way Power Driver Seat -inc: Power Height Adjustment, Fore/Aft Movement, Cushion Tilt, Manual Recline, Power 4-Way Lumbar Support and Manual Rear Seat Easy Entry

Fixed Passenger Seat

Manual Tilt/Telescoping Steering Column

Gauges -inc: Speedometer, Odometer, Voltmeter, Oil Pressure, Engine Coolant Temp, Tachometer, Turbo/Supercharger Boost, Oil Temperature, Transmission Fluid Temp, Trip Odometer and Trip Computer

Fixed Rear Windows

Voice Recorder

Mobile Hotspot Internet Access

Sport Simulated Suede Steering Wheel

Illuminated Front Cupholder


Proximity Key For Doors And Push Button Start

Valet Function

Remote Keyless Entry w/Integrated Key Transmitter, Illuminated Entry and Panic Button

Remote Releases -Inc: Power Cargo Access

HomeLink Garage Door Transmitter

Cruise Control w/Steering Wheel Controls

Dual Zone Front Automatic Air Conditioning

HVAC -inc: Underseat Ducts and Console Ducts

Illuminated Locking Glove Box

Driver Foot Rest

Interior Trim -inc: Aluminum Instrument Panel Insert, Aluminum Console Insert and Chrome/Metal-Look Interior Accents

Full Cloth Headliner

Leather/Metal-Look Gear Shifter Material

Demon Logo Cloth Performance Seat

Day-Night Auto-Dimming Rearview Mirror

Driver And Passenger Visor Vanity Mirrors w/Driver And Passenger Illumination, Driver And Passenger Auxiliary Mirror

Full Floor Console w/Covered Storage, Mini Overhead Console w/Storage and 2 12V DC Power Outlets

Front And Rear Map Lights

Fade-To-Off Interior Lighting

Full Carpet Floor Covering -inc: Carpet Front Floor Mats

Cargo Area Concealed Storage

Cargo Features -inc: Spare Tire Mobility Kit

Cargo Net

Cargo Space Lights

SiriusXM Guardian Tracker System

Smart Device Integration

FOB Controls -inc: Cargo Access, Windows and Remote Engine Start

Smart Device Remote Engine Start

Driver And Passenger Door Bins

Power 1st Row Windows w/Driver And Passenger 1-Touch Down

Delayed Accessory Power

Power Door Locks w/Autolock Feature

Systems Monitor

Trip Computer

Outside Temp Gauge

Analog Appearance

Manual Anti-Whiplash Adjustable Front Head Restraints

Front Center Armrest

Perimeter Alarm

Sentry Key Engine Immobilizer

2 12V DC Power Outlets

Air Filtration

2020 C8 Corvette vs Dodge Demon // DRAG \u0026 ROLL RACE

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Speedometer demon

guaranteed Wham-O Speed Demon 16 ft. Slip N Slide with Motion Activated Speedometer New 32187647129 80% off

guaranteed Wham-O Speed Demon 16 ft. Slip N Slide with Motion Activated Speedometer New 32187647129 80% off

the first symptom of a cold is usually a sore throat. this is generally followed by sneezing or a blocked, sore or runny nose. usually, 1 in 3 people with a cold will get a cough and feel unwell.

colds are caused by viruses. antibiotics cannot treat viruses. instead, drink plenty of liquids to replace those lost from sweating and runny noses. get lots of rest and eat healthily. do not ask your gp for antibiotics for a cold.

you will usually feel worse during the first 2 to 3 days before gradually starting to improve. your symptoms will usually last about a week.

cold and flu symptoms are similar but flu tends to be more severe.


  • appears gradually
  • affects mainly your nose and throat
  • makes you feel unwell but you're ok to carry on as normal - for example, go to work


    guaranteed Wham-O Speed Demon 16 ft. Slip N Slide with Motion Activated Speedometer New 32187647129 80% off
  • appears quickly within a few hours
  • affects more than just your nose and throat
  • makes you feel exhausted and too unwell to carry on as normal

cold symptoms can include:

  • blocked or runny nose
  • sore throat
  • headaches
  • muscle aches
  • coughs
  • sneezing
  • a raised temperature
  • pressure in your ears and face
  • loss of taste and smell

the symptoms are the same in adults and children. sometimes, symptoms last longer in children.

causes of colds

colds are caused by viruses. they can easily spread to other people. you're infectious until all your symptoms have gone. this usually takes about a week.

colds are spread by germs from coughs and sneezes which can live on hands and surfaces for 24 hours.

to reduce the risk of spreading a cold you should:

  • wash your hands often with warm water and soap
  • cough into your elbow to stop germs getting on to your hands and spreading to other people
  • use tissues to trap germs when you cough or sneeze
  • bin used tissues as quickly as possible

how to prevent catching a cold

the best ways to avoid catching a cold are:

  • washing your hands with warm water and soap, especially before eating
  • not sharing towels or household items, like cups, with someone who has a cold
  • not touching your eyes or nose. you can infect your body if you've come into contact with the virus.
  • staying fit and healthy

Demon's Cycle MINI Mechanical Speedometer, White Interface 2" Ratio

Demon's Cycle MINI Mechanical Speedometer, White Interface 2" Ratio

Demons Cycle

200 ratings Write a review

Item #:


This product is not Fulfilled by Ubuy and can take minimum 10 days in delivery. We might cancel the product from the order and refund you if any issue arise with the delivery of this product.

Note: Electronic products sold in US store operate on (110-120) volts, a step-down power converter is required for the smooth device function. It is mandatory to know the wattage of the device in order to choose the appropriate power converter. Recommended power converters Buy Now.

Product Details

ManufacturerDemon's Cycle
BrandDemons Cycle
Manufacturer Part Number101457


MINI Mechanical Speedometer with White Interface M=2.0 Ratio for Harley and Custom Motorcycles This high quality mini speedometer measures 1-7/8" overall in diameter (1-5/8" face) and 2" long. It has a clean, custom style and super compact size. Will fit any motorcycle or a custom project. MINI Mechanical Speedometer with White Interface M=2.0 Ratio for Harley and Custom Motorcycles features: Illuminated face Polished stainless housing and bezel Mechanical odometer Mounting clamp

Similar Products

Motorcycle Speedometers

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Now discussing:

Demon Tweeks GPS Digital Wireless Speedometer

A high precision GPS wireless digital speedometer, designed to be a true speed indicator, with a 22 hour battery life, making it perfect for all day use.

The unit features 4 digit display an accurate GPS speed and the colour of the display changes between green or orange depending on the state of GPS reception (The unit will only display speeds once the vehicle travels above 5 km/h or 5mph).

The GPS Digital wireless speedometer has a reception indicator for GPS Satellites. Beyond three bars, reception is good. When the device is searching for a signal a single bar scans from left to right. This indication directly affects the speed measurement precision, the more bars you can see the more reliable the reading. When the battery is low the indicator will flash to show the state of low power. A USB car charger is included with the device.

This GPS Speedo is supplied with a windscreen suction holder in order for you to mount the speedometer inside the screen, it can also be attached with self adhesive velcro pads, making it ideal for all kinds of applications and specials.

Different displays may appear on your GPS unit, on startup the WDS Speedometer will search for GPS satellites, displaying search on the screen. The satellite status bar will move from left to right. The display colour will be orange. Once it has found a signal the WDS will provide your vehicle speed from 5km/h or 5 mph upwards, the display will change to green.

Perfect for Driving instructors or for use as a speedo's in kit cars and sports cars at an unbelievable price.


  • GPS Digital Wireless Speedometer unit
  • Mount and windshield suction
  • USB Charger - comes With Cigarette lighter adaptor (PC or Car Charged)


  • 67mm wide x 50mm High x 25mm Deep

Max Speed Readout:

999 mph / 999 kph

*** Please Note: The first time you turn on your GPS Digital Wireless Speedometer it may take more than 10 Minutes before it will acquire a signal from the GPS Satellite. This is due to different internal tests that will occur during the first switch on. ***


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