Got a burning question about bike tech or maintenance? The GCN Tech Clinic is back to answer your questions! This week, we're diving into the comfort of carbon vs. alloy wheels, the impact of inner tube types on rolling resistance, and what to prioritize when upgrading your bike for better acceleration. Drop your own questions in the comments for a chance to be featured in a future episode! | GCN Tech

Welcome to the GCN Tech Clinic, where we tackle your most pressing bike maintenance and tech questions! In this episode, we use physics to explain why a heavier rider can be faster than a lighter rider on a flat time trial, and we settle the debate on which is more fuel efficient: a roof rack or a rear rack. Plus, we cover the real risks of using CO2 or electric pumps on TPE inner tubes. | GCN Tech

It's time for another GCN Tech Clinic! We answer your most pressing cycling tech and maintenance questions, covering topics like the pros and cons of belt-drive bikes for winter riding, whether your gravel wheels are too wide for a road bike, and a creative solution for keeping creepy crawlies out of your helmet vents. Submit your own questions in the comments below for a chance to be featured in a future episode! | GCN Tech