Rennradguru guides

Road cycling basics

The essential basics of road cycling: safety, technique, training, equipment and practical riding skills, explained clearly for beginners and ambitious recreational riders.

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Garmin Rearview 820 Cycling Test: a Cyclist on a Road, with Overlaid Garmin Radar Rear Light Camera and Bike Computer Display.

Garmin RearVue 820 Review: New Cycling Radar Rear Light Tested

The Garmin RearVue 820 is Garmin’s new cycling radar rear light for 2026, aimed at anyone wanting earlier awareness of approaching traffic. StVZO approval, radar range up to 170 metres, real-time vehicle alerts and long battery life make it one of the most interesting safety upgrades for road, gravel and everyday bikes. In this Garmin RearVue 820 review, we examine radar reliability, everyday rear light performance and whether its price is justified against the Garmin Varia RTL 516, RCT 716 or Sigma RECO 80 LINK.

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Wahoo ELEMNT BOLT bike computer on a road bike cockpit, photographed during a ride along a path beside a meadow.

WAHOO Elemnt Bolt V3 Review – What Can the Compact Aero Bike Computer Really Do?

The Wahoo ELEMNT BOLT V3 targets riders who value aerodynamics, low weight and maximum efficiency without giving up modern navigation and training features. With an impressive 32 GB of storage, improved routing and up to 20 hours of battery life, the new BOLT packs considerable capability into a compact format. Our review shows how it compares with its predecessor and why it could be the right companion for road cyclists and ambitious athletes. Compact, clear and uncompromising: we have taken a close look for you!

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