We’re taking a short break!


From October 27th to October 31st, 2025, we’ll be on company holidays.

 

All orders placed by October 24th at 3:00 p.m. will be shipped the same day!


Our online shop remains open around the clock – 24/7!

 

Starting November 3rd, 2025, we’ll be back and will process all orders as quickly as possible.

 

Your Siebenrock Team

 

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Big Bore Kit 1070cc Touring
BMW R 100 models from 9/80 on
Conrods 150,5mm
€2,695.00
Prices incl. VAT, plus shipping costs
Part no. 1101110
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Big Bore Kit 1070cc
BMW R 100 models from 9/80 on
Conrods 151,0 mm
€2,595.00
Prices incl. VAT, plus shipping costs
Part no. 1101100
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Cylinder gasket Set
BMW Siebenrock Big Bore Kit 1070cc
€98.00
Prices incl. VAT, plus shipping costs
Part no. 1100424
NEW
1109210_1
Cylinder "S"
Big Bore Kit "S"
98mm
€459.00
Prices incl. VAT, plus shipping costs
Part no. 1109210
NEW
1109222_1
Piston "S"
Big Bore Kit "S"
BMW R 100 models
98mm complete with 3 rings
€399.00
Prices incl. VAT, plus shipping costs
Part no. 1109222
NEW
1109233_1
Piston ring "S" Set
98mm "S"
For Big Bore Kit piston
€79.00
Prices incl. VAT, plus shipping costs
Part no. 1109233
NEW
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Circlip "S"
Siebenrock Big Bore Kit 1070cc "S"
Gudgeon pin
€0.95
Prices incl. VAT, plus shipping costs
Part no. 1109206
NEW
1109205_1
Gudgeon pin "S" Set
20mm
Siebenrock Big Bore Kit 1070cc "S"
€29.90
Prices incl. VAT, plus shipping costs
Part no. 1109205
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Cylinder
Big Bore Kit "MAHLE"
98mm
€459.00
Prices incl. VAT, plus shipping costs
Part no. 1109010
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Cylinder head Gasket
BMW 2V Boxer with BIg Bore Kit 1070
€49.50
Prices incl. VAT, plus shipping costs
Part no. 1125401
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Piston
Big Bore Kit "MAHLE"
BMW R 100 models
98mm complete with 3 rings
€399.00
Prices incl. VAT, plus shipping costs
Part no. 1109022
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Piston ring Set
98mm "MAHLE"
For Big Bore Kit piston
€89.00
Prices incl. VAT, plus shipping costs
Part no. 1109033
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