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Energize your Ride - Smooth Running, Lightweight, Efficient

Energy Solutions for Cyclists

Rim-Drive (Velospeeder Standard Motor)
Rim-Dynamo (AC-Dynamo for AC-LED-Lights, Charger)
Velo-Grid (3-Phase Generator for Charger with DC-LED-Lights)

HighEnd Rim-Dynamo - For LED Bike Lighting & Bike Charger                                             Smooth Running - Lightweight - Efficient
 



The VELOGICAL Dynamo is an extremely lightweight high end LED lighting power system for bicycles in a miniature form-factor. Its 'hard skills' are extremely smooth running (low drag) even at high riding speeds, minimal weight and high efficiency for use with modern LED bicycle lights. This compact dynamo genuinely weighs less than a mere 75g! And it operates with minimal resistance, below the perception threshold. Thanks to highest electrical efficiency it supports passive safety in traffic while working as a daylight running light, too. This patented bicycle dynamo for LED lighting has been developed especially for the requirements of sports-oriented cyclists. 
Rim-Dynamo sets samples 



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VELOGICAL Dynamo, the tiny jewel for LED-lighting culture on bicycles



Mounting examples

Left: suspension fork disc brake
Middle: road bike seat stay
Right: suspension fork V-brake

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The VELOGICAL bicycle dynamo is a so-called rim-dynamo, because it runs on the flat braking surface of the rim. The design of the adjustable bracket achieves optimized contact pressure with minimal contact patch. The miniaturized VELOGICAL Dynamo with its remarkably powerful output is an alternative to hub dynamos. In doing so, the VELOGICAL Dynamo runs without wear on the rim wall, and can also be driven without problems on carbon rims. The internal mechanism of the VELOGICAL Dynamo is practically wear free. It works with unobtrusive reliability, producing energy for LED lights even in the wet. 


The idea behind this product was to take advantage of the optimal location which the bicycle has to offer, from a dynamo drive point of view: The VELOGICAL Dynamo rotates 20x faster than a hub dynamo, so it can be made correspondingly smaller and lighter. It rolls almost silently, turbine-style, on the rim. Using the latest magnetic materials, the VELOGICAL Dynamo delivers the very best test results, both in the lab and in practice (assuming it's fitted correctly of course). Efficiency levels are on average around 70%, and at 30km/h higher than 70% - at 6volts and 3watts. With the VELOGICAL Dynamo, weighing a featherweight 75g(!), you also save on the effort required to compensate for the approx of a heavy hub dynamo or the extra weight of powerful battery lights. 


And don't forget: with a side-running dynamo, when not being used it can be disengaged entirely, while a slow and ever-turning hub dynamo is always operating, slowing you with its magnetic drag: a constant effect, even when the lights are switched off.


The VELOGICAL Dynamo is not only highly energy efficient, but also universal compatible and retro-fittable. Cycle aesthetes and sports riders who want to appreciate the benefits of this next-generation dynamo-powered cycle lighting system can, it goes without saying, keep their carefully-selected high-tech wheelsets intact without replacing the front hub for a hub dynamo.
Rim-Dynamo sets samples
  / Dynamo Installations for Framebuilders

Simple requirements for the VELOGICAL Dynamo

 

A rim with a braking surface or a rim with perpendicular flank

4mm or more. Technically and visually these are fully compatible with all types of hub and all types of brake. 


Over-voltage protection built into the lamp with metal cooling surface or metal housing. Light installation with VELOGICAL thermsitor (overcurrent protection)The high efficiency of the VELOGICAL Dynamo necessitates over-voltage protection, which converts excessive electrical energy harmlessly into heat. In combination with the additional overvoltage protector 
SHIMANO "SM-DH10A", additionally to the VELOGICAL thermistor every LED Bikelight can be use
d.


Suitable LED front lights (40 lux and more) are offered by, for example, manufacturers including SUPERNOVA, B+M(Busch+Müller), HERRMANS, TRELOCK or SON(Schmidt Maschinenbau).


When combined with VELOGICAL-approved LED cycle lights, the VELOGICAL Dynamo will demonstrate impressively just how much power lies within, delivering night-time illumination ideal for navigating unlit cycle routes even at high speed – and of course also for general safety purposes in traffic.





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StVZO regulations and design interpretation 



VELOGICAL absolved successfully the certification process to obtain a StVZO approval according german law regualtion for all three dynamo variations. According to the certification measure-ments by an independent scientific institute the requirements are met to the power class of 6V 1.5 watts at 15kph (9,3mph) on a digital load according DIN 33958, the new neutral simulation of LED lighting.
 

The performance of an LED bicycle light with light-based overvol-tage protection is characterised by the light output at particular speeds and not by a defined voltage curve at particular speeds. The possibility of storing power for standlights and slow riding is also implemented in many LED lights. 

Efficient and powerful on-board electrical supply (for USB sockets, buffer batteries, on-board electronics devices) can best be achieved with a free-floating dynamo voltage, from which the necessary power can be extracted as required. Thus the power production within the dynamo, and regulation technology outside it, should sensibly be strictly separate.

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Versions and Applications

 

”SPORT” model: red colour, for universal use from 10kph (6,2mph) 

For minimal ride resistance and maximum speed.

 

“TREKKING” model: natural colour, for universal use from 8kph (5mph);
For low ride resistance and reserves of power when riding more slowly, for double headlight set-ups, for city riding speeds and for sportive use.

 

”SPECIAL” model: blue colour, for special use from 5kph (3mph)

Maximum power supply even at low speeds.
For special applications, for example chargers for on-board electronics or double headlight set-ups.

 

Consumerprice

Direct Marketing in the EU: € 150,00 / including sales taxes, plus shipping/PP; out of the EU: € 126,05 plus local taxes, shipping/PP.

B2B Prices 
On request for dealers, workshops, manufactures 
with official registration data.  

 

German Certification: 

Now with german certification according StVZO and DIN 33958
6V 1,5W

 

Technical Data

Dynamo type: rim dynamo / new side-running concept /
Over-voltage protection with LED front lights: see light selection and recommendations. 

Weight (Dynamo only): 52g 

Weight (Dynamo with bracket): 70-90g 

(depending on bracket type)

Efficiency at 30kph (18,6mph): more than 60%

Efficiency at over 30 kph (18,6mph): up to 75%

Electrical data: Speed dependent 

(see table download from our website)

Slip resistance: defined contact pressure on rim flank (adjustable), rainproof lighting
Drive wheel with O-ring: UV light resistant, industrial quality 

O-ring service interval: replace after 5000-7000km (3110-4350mi) of dynamo use (guideline from experience)

Service: Manufacturer VELOGICAL engineering GmbH

Warranty period: 2 years from the purchase date,
on production of the original receipt.

 

In the Box

- 1 Special bracket, type selected when ordering:

     Brake boss adapter left for brake boss fitting,

     Left mounting or rear right mounting;

     Brake boss adapter right for brake boss fitting,

     Right mounting or rear left mounting;

     Frame stay adaptor short 12/20mm Ø frame tube attachment; 

     Frame stay adaptor middle 20/32mm Ø frame tube attachment;

     Frame stay adaptor long 32/46mm Ø frame tube attachment; 

- 2 O-ring /drive wheel for fast riders

- 2 O-ring /drive wheel for normal riders

- 1 Thermistor

- 1 Set heat shrink tubing

- 1 User manual

- 1 Allen key 2mm Ø  (hex key)

 

Side Selection

Left mounting is standard for all versions

Right mounting available on request 

(may affect delivery time)



Order Information

You can order your VELOGICAL Dynamo on this website:

Contact Form, click here 

Rim-Dynamo sets samples click here

 
 

All specifications are subject to technical change.

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folder-dynamo-en-2016-10-28-web.pdf
download
vel_dynamo_u_bolt_chart092015.pdf
download
electrical_values_vel_dyn_ac_2016.pdf
download
charger forumslader v2_for_vel_performance_charts.pdf
download

Test Velogical Dynamo Version Standard Alternating Current/AC
Fahrradzukunft GER

Radtourenmagazin GER
Bear Bones Bikepacking UK
Elessar Bicycle Italy

Test Forumslader Version for Hub Dynamo Alternating Current/AC
Fahrradzukunft  GER
Fahrradbeleuchtung GER

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Fitting to Solo Bikes and Tandems Including the Hase Pino


Installation samples & brackets click here


Rim-Dynamo sets samples (1 d.-version + 1 bracket) click here

 

Special Brackets for the VELOGICAL Dynamo

 

"Brake boss adapter left fitting" priority front wheel

- Fitting on the left (front), or right (rear)
- For rim brake bosses on telescopic forks 

- For rim brake bosses on rigid forks

- For rim brake bosses on rear stays

 (actual V-brakes, cantilever brakes 80mm center-center b.boss)
- For framebuilders (+ additional custom part, seat stay installation) 

- Frames made from aluminium, carbon, steel, titanium

- ANY frame tube shape
- Check barriers
  Reverse mounted brake bosses on front forks with 20 inch wheels
  and smaller, pointing to the rear:
  Please ask for a special adjustment (no additional costs),
  Please look for potential conflicts with stays by fenders and racks 


"Brake boss adapter right fitting" priority front wheel

- Fitting on the right (front) or left (rear)

- For rim brakes as described above

- For Magura hydraulic rim brakes
- Check barriers
  Reverse mounted brake bosses on front forks with 20 inch wheels 
  and smaller, pointing to the rear:
  Please ask for a special adjustment (no additional costs),
  Please look for potential conflicts with stays by fenders and racks 

 

"Frame stay adaptor short 12/20 left fitting" priority rear wheel

- For 12 -20mm tube diameters (3 size settings):

- For rear triangle/seat stays (aluminium, carbon, steel, titanium)
- WITHOUT bosses for rim brakes and frame lock.

- Use the flexible underlay pad supplied

- Tube cross-section must be ROUND or OVAL (30mm below rim)

- Option: right fitting by reverse installation (against driving direction)


"Frame stay adaptor medium 20/32 left fitting" priority rear wheel

- For 20 - 32mm frame diameter (3 size settings)

- For rear triangles/seat stays (aluminium, carbon, steel, titanium)

- For rigid forks (aluminium, carbon, steel, titanium)
- For telescopic forks for disk brakes 

- WITHOUT bosses for rim brakes
- WITHOUT fixed cable clips until 5cm below top edge of the rim 

- Use the foam rubber underlay pad supplied

- Tube cross-section must be ROUND or OVAL (30mm below rim)

- Option: right fitting by reverse installation (against driving direction)


"Frame stay adaptor medium 20/32 right fitting" priority front wheel 

- For 20 - 32mm frame diameter (3 size settings)

- For rigid forks (aluminium, carbon, steel, titanium)
- For telescopic forks for disk brakes 

- For rear triangles/seat stays (aluminium, carbon, steel, titanium)

- WITHOUT bosses for rim brakes
- WITHOUT fixed cable clips until 5cm below top edge of the rim 

- Use the foam rubber underlay pad supplied

- Tube cross-section must be ROUND or OVAL (30mm below rim)

- Option: left fitting by reverse installation (against driving direction)

 

"Frame stay adaptor long 32/46 right fitting" priority front wheel

- For 32 - 46mm frame diameter (3 size settings)

- For installation scenario as for frame stay adaptor medium

- WITHOUT bosses for rim brakes
- WITHOUT fixed cable clips until 5cm below top edge of the rim 

- Use the foam rubber underlay pad supplied

- Tube cross-section must be ROUND or OVAL (30mm below rim)

Option1: left fitting by reverse installation (against driving direction)
Version2: left fitting bracket on demand


Cable Colours

- Black


Fitting to Special Bikes and Unusual Cases,

Check Feasibility First ! 

- Recumbents: usually fits via the front fork

 

For Framebuilders & Professionals

Special cases often possible by special adaptations or brackets.
- Please have tubing dimensions to hand

- Velomobiles

- Recumbents, trike designs with diagonal seat stays

- Special bikes with unusual frame to wheel distances
- Spacers on demand
- Check barriers
  Reverse mounted brake bosses on front forks with 20 inch wheels 
  and smaller, pointing to the rear
  Please ask for a special adjustment (no additional costs),
  Please look for potential conflicts with stays by fenders and racks

- Special cases NOT universally possible to fit

  Shaped tubing with sharp corners (hydroformed)

  Extreme oval tube profiles 

  Recumbents, trike designs with horizontal seat stays

 

Compatibility

The VELOGICAL Dynamo is compatible problem-free with all types of hub, any wheel size and type of tyre, without any restriction of functionality and without any painful extra costs from special adaptations. For special applications we will be happy to advise on cable routing questions. Please contact us.

 

Assembly Accessories: Lamp Brackets inc. Handlebar Mounts

rm (Riese & Müller) lamp bracket for handle bar and for suspension fork (head tube)

B+M (Busch + Müller) dynamo bracket (position long side outside) for horizontal lamp mounting with steel forks

SON (Schmidt Maschinenbau): Products, Accessories

Spanninga: dynamo light accessories

www.fahrrad.de: cycle accessories, "Mounts"

Komponentix Onlineshop: front lights category,
accessories for front lights (at the bottom)

Brake Boss Adapter          Frame Stay Adaptor (Short, Medium, Long)

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