Ellinghaus & Dickmann · Wuppertal

The tool that breaks nothing.

ELDI has been building special tools for bicycles, mopeds and motorcycles since the 1950s. Flywheel pullers with a loose pressure pin, sprocket holders, degree wheels: made for Zündapp, Kreidler, Hercules, Puch and everything that rolled out of German factories back then.

27 datasheets13 jobs in the finder1955 catalogue F8NOS original stock
ELDI · FLYWHEEL PULLER · SECTION TAPER TIGHT CRANKSHAFT STUB M26x1.5 SLEEVE, TWO THREADS PRESSURE PIN, LOOSE DOES NOT TURN WITH IT FLYWHEEL ON TAPER SH. 1 / 66 · SECTION · WUPPERTAL F8

Drag or scroll: the taper lets go at 0 %

Design feature

Why the pressure pin sits loose

On an ordinary puller the pressure bolt turns on the crankshaft stub as you tighten it. Friction, heat and a chewed up shaft stub are the result. ELDI sets a hardened pressure pin loose on the end of the bolt. The bolt turns, the pin stands still. The force goes into the shaft on centre, and the shaft stays as it was.

This detail runs through the whole range: flywheel pullers, clutch pullers, bearing pullers. It is the reason why ELDI tools still work after fifty years exactly as they did on the first day.

To the flywheel puller datasheet
Hardened steel

All pullers and holding tools in hardened special steel, made by the original equipment manufacturer.

Vehicle specific

No universal tool with adapters, but the right thread, the right chain, the right size.

New old stock

Many tools are NOS: never used, in original packaging, from the factory stock.

Most searched · ordered by search volume (Semrush DE, 09/2026)

Tool datasheets

Flywheel puller M22x1.5 / M26x1.5
01 · flywheel puller · 1,600 searches/month · MG00008802

Flywheel puller M22x1.5 / M26x1.5

For Bosch and Ducati ignitions on Zündapp, Hercules, Kreidler, Puch, KTM, DKW, Rixe, Sachs

View datasheet →
Feeler gauge, 6 blades
02 · feeler gauge · 3,600 searches/month · MG00008859

Feeler gauge, 6 blades

Set for contact breaker gap, electrode gap and valve clearance

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Spark plug spanner 21 mm
03 · spark plug spanner · 5,400 searches/month · MG00008849

Spark plug spanner 21 mm

Tube spanner with handle for plugs with a 21 mm hexagon

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Tyre lever 270 mm
04 · tyre lever · 720 searches/month · MG00088173

Tyre lever 270 mm

Steel tyre lever with a red plastic handle

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Degree wheel 120 mm
05 · degree wheel · 260 searches/month · MG00088559

Degree wheel 120 mm

Measure ignition timing and port timing in degrees, 6 mm bore, 0.8 mm polystyrene

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Gudgeon pin extractor
06 · gudgeon pin extractor · 110 searches/month · MG00088198

Gudgeon pin extractor

Presses the gudgeon pin out of the piston without a hammer

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View all 27 tools

Guides

Pulling the flywheel, setting the ignition with a degree wheel, tensioning spokes. Step by step, with the tool that goes with it.

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Tables

Threads and pitches, across flats sizes, tightening torques by property class, ball bearing designations. Filterable, readable on a phone.

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Calculators

Convert torque, decode a bearing number, identify a thread from measurements, tick off the basic workshop kit.

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From Wuppertal

A byword for quality before the word existed

ELDI stands for Ellinghaus & Dickmann, a tool manufacturer from Wuppertal-Elberfeld. Catalogue F8 of 1955 lists special tools for bicycles, mopeds and motorcycles: spoke nipple spanners, taper pliers, pedal spanners, fork spreaders. Tools for people who earned their living with them. Today the brand belongs to the MotoMobilityGroup, and the original stock is shipped through Racing Planet and its sister dealers.

To the brand history · To the catalogue archive

Frequently asked questions

Are ELDI tools new or used?

Most of the range is NOS, that is new old stock: never used original tools from the factory stock. Every datasheet states whether the item comes from old stock.

Does the flywheel puller fit my moped?

That depends on the thread in the flywheel. ELDI offers M17x1 (Piaggio), M22x1.5 and M26x1.5 (Bosch/Ducati on Zündapp, Kreidler, Hercules, Puch) as well as M27x1.25 (Ducati on Hercules, Garelli, Malaguti). The tool finder and the thread table help you work it out.

Where can I buy ELDI tools?

At Racing Planet and the dealers of the MotoMobilityGroup. Every datasheet links straight to the article in the shop. You will find prices and availability there.

Does ELDI make piston ring pliers and spoke nipple spanners?

Historically yes, they are listed in catalogue F8. They are not part of the current range. The catalogue archive shows what ELDI used to make.