Fixing Shifting Issues, Grinding Pedals & Buying A Used Bike For Less than £500 | GCN Tech Clinic

Welcome back to the GCN Tech Clinic! This week, Ollie and Si tackle your most pressing maintenance questions, from silencing a creaking carbon seat post in a titanium frame to fixing front derailleur shifting issues. We also dive into the performance debate of tubeless vs. TPU tubes and reveal the top three things you must check before buying a used bike online.

Chapters: ⏱️
00:00 - Intro: Alex is on Paternity Leave!
00:25 - Fixing a Creaking Seat Post
02:15 - Grinding Pedals
03:56 - Why Your Chain Won't Shift to the Big Ring
04:30 - How to Adjust Cable Tension
05:35 - Tubeless vs. TPU Tubes
07:35 - Buying a Second-Hand Bike
08:35 - Checking for Crash Damage

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What’s the best second-hand bargain you’ve ever picked up, and did it need much work to get it road-ready? Let us know your success stories (and horror stories!) in the comments below. 👇 Don't forget to use #AskGCNTech for your questions in the next episode!

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