40 Years of Siebenrock – A Heartfelt Thank You!

 

Since 1985, the name Siebenrock has stood for quality, technical expertise, and genuine passion for classic BMW motorcycles.
Our success is built on continuous development, solid engineering knowledge,

and the ambition to create products that impress with functionality and durability.

  

A major milestone – and one we’d love to celebrate with you!

 

From July 4 to 16, 2025, enjoy a special anniversary discount on selected Siebenrock items in our online shop – it’s worth a look!

 

Or come see us in person at the BMW Motorrad Days in Garmisch-Partenkirchen, July 4–6, 2025.

Visit our stand and receive an exclusive anniversary gift – a little surprise from us to you!

 

 Your Siebenrock Team

 

While supplies last.

 

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Piston
Big Bore Kit "MAHLE"

BMW R 100 models
98mm complete with 3 rings

Artikelbild
€399.00

Prices incl. VAT, plus shipping costs

Ready to ship today, Delivery time appr. 2-4 workdays within Germany

  • part no.: 1109022
Description Evaluations 0
Description
One piston complete with two compression rings, one oil scraper ring, one piston pin 20mm and two... more
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Piston
Big Bore Kit "MAHLE"
One piston complete with two compression rings, one oil scraper ring, one piston pin 20mm and two circlips.

Top quality.
Small production runs.
Made in Germany.

Siebenrock product.
Each original Siebenrock product bears this seal that guarantees the highest quality possible, consistently optimized down to the last detail.

Price per piece.

For the classic BMW two-valve boxer models with Big Bore Kit or Big Bore Kit Touring
R 100, R 100CS, R 100RS, R 100RT
Monolever models R 100RS (x), R 100RT (x),
Paralever models R 100GS (x), R 100R (x).

(x) = only permitted for motorcycles up to first registration 31.3.1994.

Information on product safety
Fits for BMW R2V: R 100 up to 84, R 100 RS/RT Mono from 87 on, R 100GS 87-96, R 100R 91-95
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