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# Gravel Bike Mechanic Guide for Girona Routes

- [Made in Slatesource](https://slatesource.com/u/kairenner/gravel-bike-mechanic-guide-for-girona-routes-976)
- By [KaiRenner](https://slatesource.com/u/KaiRenner)
- Sports & Recreation
- Created on Mar 21, 2026

> The roads around Girona forgive nothing mechanically and reward everything visually.
>
> — KaiRenner · 26th of April 2026

## Gravel Bike Mechanics for Girona

The gravel routes around Girona mix smooth tarmac with rocky Pyrenean dirt tracks, loose limestone descents, and olive grove two-tracks. Your bike must be set up to handle all surfaces reliably, and your repair kit must cover multi-hour remote sections.

**40mm** 

**60** km

Select and Set Up Tires

Description: Run 40 to 45mm tubeless tires with a file tread for mixed surfaces. Use 25 to 30ml of sealant per tire. Check pressure before every ride: 28 to 35 PSI depending on rider weight and terrain.

Optimize Gearing

Description: For the climbs toward Les Gavarres and the Rocacorba area, a 40 or 38 tooth front ring with an 11-42 cassette is optimal. Confirm derailleur hanger alignment before long rides.

Build Your Repair Kit

Description: Carry two CO2 cartridges or a mini pump, a tire plug kit, a multi-tool with chain breaker, two quick links, a spare derailleur hanger, and a small bottle of chain lube. Pack in a frame bag or saddlebag.

Pre-Ride Mechanic Checklist

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Tires: check pressure and inspect sidewalls for cuts

Sealant: shake wheels and listen for liquid movement

Chain: clean and lubricate, check for wear with a chain checker

Brakes: squeeze test and inspect pad wear

Bolts: check saddle, stem, and bar end bolt torque

Confirm repair kit is in saddlebag and CO2 cartridges are full

Carry a printed or downloaded offline map for the Gavarres routes. Mobile signal is unreliable in the forest sections, and GPS tracks on a head unit can fail without a backup.