# GRENZ Serwis — llms.txt
# AI Agent Discovery Index
# Standard: https://llmstxt.org/
# Updated: 2026-06-25

# GRENZ Serwis — Professional E-Scooter & E-Bike Repair in Warsaw, Poland

> GRENZ is a professional repair and diagnostics service for electric scooters and electric bikes, located in Warsaw, Poland (ul. Ciołka 35/84, 01-445). Fast, reliable repair with 6-month warranty. Phone: +48 515 430 479. Languages: Polish, English, Russian.

## Services

- [E-Scooter & E-Bike Electrical Repair](https://grenz.pl/naprawa.html): Comprehensive electrical repair for all brands — Xiaomi, Segway-Ninebot, Kaabo, Dualtron, Vsett (scooters) and Bosch, Shimano, Bafang, Yamaha (e-bikes). BLDC motors, controllers, brake systems, electronics, tyres. From 50 PLN. 6-month warranty.
- [Electronic Diagnostics](https://grenz.pl/diagnostyka.html): Professional fault code (DTC) reading, BMS analysis, controller diagnostics, load testing. Specialist software for all popular brands. Initial diagnostics always FREE. Full diagnostics from 50 PLN.
- [Battery Service & Regeneration](https://grenz.pl/bateria.html): Li-Ion and LiFePO4 battery pack repair, regeneration and replacement. Cell capacity testing, pack balancing, BMS replacement. Restores 90–95% of original capacity at 30–50% of new battery cost. From 150 PLN.
- [Tuning & Modifications](https://grenz.pl/tuning.html): Speed limit unlock, controller upgrade, stronger motor swap, battery expansion, custom LED lighting, suspension upgrade. From 150 PLN.
- [All Services Overview](https://grenz.pl/services.html): Complete service listing with pricing, before/after comparisons, and battery regeneration infographic.

## Content

- [Homepage](https://grenz.pl/): Full service overview, stats (500+ clients, 1500+ repairs, 5 years experience, 98% satisfaction), market growth infographic, before/after gallery, process, reviews, FAQ, contact map.
- [Electrical Repair Detail](https://grenz.pl/naprawa.html): Motor repair (BLDC), ESC controller, brake systems, tyres, electronics, wiring. Price table. 5-step repair process infographic. FAQ. Brands supported.
- [Diagnostics Detail](https://grenz.pl/diagnostyka.html): DTC readout, BMS analysis, load test, full report. What-we-check infographic (6 systems). Initial diagnostics always free.
- [Battery Service Detail](https://grenz.pl/bateria.html): Cell testing, balancing, cell replacement, BMS repair, full regeneration. Cost comparison infographic (regeneration vs new). FAQ.
- [Tuning & Mods Detail](https://grenz.pl/tuning.html): Speed unlock, controller upgrade, motor swap, battery expansion, LED, suspension. Before/after performance infographic. Legal notice. FAQ.
- [FAQ](https://grenz.pl/#faq): 8 frequently asked questions — repair times, brands, warranty, costs, battery regeneration, booking.
- [Terms of Service](https://grenz.pl/terms.html): Repair terms, warranty (6 months), pricing policy, complaint procedure.
- [Privacy Policy](https://grenz.pl/privacy.html): GDPR/RODO compliant data processing policy.
- [Cookie Policy](https://grenz.pl/cookie.html): Cookie types, legal basis, opt-out instructions.

## Business Information

- **Business type**: Local repair service (LocalBusiness)
- **Location**: ul. Ciołka 35/84, 01-445 Warszawa, Poland (Mazowieckie)
- **Coordinates**: 52.2462415, 20.9421341
- **Phone**: +48 515 430 479 (WhatsApp, Telegram)
- **Hours**: Mon–Fri 9:00–19:00, Sat 10:00–17:00
- **Languages**: Polish (primary), English, Russian
- **Price range**: 50–800 PLN
- **Payment**: Cash, Credit Card, Bank Transfer, BLIK
- **Rating**: 4.9/5 (150+ Google reviews)
- **Warranty**: 6 months on all repairs
- **Brands**: Xiaomi, Segway-Ninebot, Kaabo, Dualtron, Vsett, Pure Electric, Bosch, Shimano Steps, Bafang, Yamaha, Specialized Turbo, Fazua

## Social & Contact

- Facebook: https://www.facebook.com/p/greenzpl-100086601440884/
- TikTok: https://www.tiktok.com/@grenz_pl
- WhatsApp: https://wa.me/48515430479
- Telegram: https://t.me/+48515430479
- Google Maps: https://www.google.com/maps/place/Serwis+hulajn%C3%B3g+i+rower%C3%B3w+elektrycznych/@52.2463427,20.9421035,49m/