24 Products
BMW Customization Workshop · Neuwied
BMW rear conversion kits complete with TÜV certification
The fastest way to a new silhouette: Our tail conversion kits provide the subframe, seat, fender, and mounting parts as a coordinated set – with TÜV certification, for Twinshock, Monolever, Paralever, and K models.
- StyleCafé Racer · Roadster · Enduro
- TypesTwinshock · Monolever · Paralever
- K-modelsK75 · K100
- Expert reportTÜV
Conversion by assembly group
Everything for your Tail conversion
From the tail to the electrical system: Select the assembly – or scroll directly to all parts for the tail conversion.

Tail conversion
Rear frames, seats, fenders, and license plate holders – with TÜV certification.
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Front conversion
Triple clamps, headlights, speedometers, handlebars, and mounts for a clean front end.
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Exhaust
Complete exhaust systems and silencers made of stainless steel, many with ABE (general operating permit).
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Chassis
Struts, fork springs, damping systems, and suspension service.
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Electrical
Cable harnesses, ignition, regulators, and switches – assembled in-house.
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Engine & Performance
Overhaul, carburetor, ignition, and tuning on the test bench.
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All Tail tidy kits
Why Sport Evolution
Parts from the converter, not from the retailer
Boxer specialist
For over 30 years, we have been building, restoring, and tuning BMW boxer and K-series models in Neuwied.
Registrable
TÜV Rheinland certified company. Many parts come with a technical report or ABE (General Operating Permit).
Custom test bench
Carburetor and fuel injection tuning on our Dynojet dynamometer.
Self-driven
Our parts are created on real concept bikes – tested on the road, not in a catalog.
Guide
Tail tidy kits explains
Why a complete kit?
When converting the rear end, the subframe, seat, fender, lighting, and license plate must all work together – both visually and for registration purposes. A kit saves you the hassle of coordinating individual parts and comes with a TÜV certificate. You can find individual components in the Rear Conversion category.
Briefly explained: Tail conversion kits
| Contents | Rear frame, seat, fender, mounting parts (depending on kit) |
|---|---|
| Variants | Café Racer 1-seater, Roadster 2-seater, 2-seater with step, Enduro |
| Boxer models | Twinshock, Monolever, Paralever |
| K-models | K75, K100, K1100 |
| Certification | TÜV parts certificate |
| Addition | Stainless steel bolt sets matching the kit |
Which kit is right for you?
- Café Racer, 1 person: sporty, with a cowl.
- Roadster, 2 people: comfortable, suitable for everyday use.
- 2 people with step: more support for the rider.
- Enduro: for R80R/GS and R100R/GS (Paralever).
- K-models: kits for K75 and K100, also from JvB Moto.
Pay attention to the design type
Each kit is built for a specific rear suspension setup: Twinshock, Monolever, or Paralever. The design type is always stated in the product title. Not sure? Send us a photo via the parts inquiry form.
FAQ
Questions about Tail tidy kits
Can't find your question? Use our parts inquiry form – we will respond personally.
What is included in a tail conversion kit?
Depending on the kit, this includes the rear frame, seat, fender, and bracket. The exact scope of delivery is stated in the respective product description.
Do I need any additional parts for a kit?
Oft passende Beleuchtung (Rücklicht, Blinker) und einen Kennzeichenträger. Edelstahl-Schraubensätze passend zum Kit haben wir ebenfalls.
Can I assemble a kit myself?
Yes, with the right tools and experience. Alternatively, we can handle the installation, including final inspection, in our workshop.