Garmin-compatible
Magicshine SEEMEE R300
8.5/10 the top-rated pick
Browse 15 models
Our rankingsThe best bike radars24 bike radarsBy bike computer compatibility
By detection range
By battery life
Features and options
Our guides to choosing
Buying guide
Bike radar: here's how to choose, step by step. For each criterion, a guide compares options across our 24 bike radars and points to the highest-rated model for each option.
By Romain Brunel, updated on


01Bike computer compatibility
4 options compared across 17 models. Most common: “Garmin-compatible” (15 models). Highest median rating: “Wahoo compatible” (8.5/10).
Featured picks
Read the guide: bike radar: choosing by “Bike computer compatibility” 4 options compared in this guide
02Detection range
Most models fall between 134 m and 193 m (5th to 95th percentile of values recorded for 20 models), with a median of 145 m. The guide groups them into 2 bands and highlights the highest-rated model in each.
Featured picks
Read the guide: bike radar: choosing by “Detection range”
03Battery life
Most models fall between 7 h and 40 h (5th to 95th percentile of values recorded for 21 models), with a median of 19 h. The guide groups them into 4 bands and highlights the highest-rated model in each.
Featured picks
Read the guide: bike radar: choosing by “Battery life” 4 options compared in this guide04Weight
Most models fall between 58.9 g and 145 g (5th to 95th percentile of values recorded for 14 models), with a median of 69.9 g. The guide groups them into 3 bands and highlights the highest-rated model in each.
Featured picks
Read the guide: bike radar: choosing by “Weight”
05Features and options
18 options compared on 24 models, using these criteria: connectivity, smartphone compatibility, light modes, features, ingress protection rating, mounting location, compatible seatpost shape. Most common: “Steady light” (21 models). Highest median rating: “IP67 protection” (8.9/10).
Featured picks
Read the guide: bike radar: which features and options should you choose? 18 options compared in this guide
06Budget
Most recorded prices fall between £51 and £190 (5th to 95th percentile), with a median recorded price of £103. The guide compares 4 price bands and highlights the highest-rated model in each.
Featured picks
Read the guide: bike radar: how much should you budget? 4 options compared in this guidePrices collected from retailers are for guidance only: they may have changed since, the current price is the one shown by the retailer. No price is shown for models sold only on Amazon. Amounts converted from reference prices in euros using a dated exchange rate.
The questionnaire
5 questions about our 24 bike radars: find the highest-rated models and the right selection.
Garmin-compatible
8.5/10 the top-rated pick
Browse 15 modelsSteady light
9.2/10 the top-rated pick
Browse 21 modelsMounting location: On the seatpost
8.9/10 the top-rated pick
Browse 21 modelsConnectivity: ANT+
8/10 the top-rated pick
Browse 17 modelsIPX7 protection
8.5/10 the top-rated pick
Browse 14 modelsFor round seatposts
7.9/10 the top-rated pick
Browse 8 modelsThe model that meets your requirements, considered in this order: bike computer compatibility, detection range, battery life, weight, features and options, budget. Each criterion has a guide that compares options across our 24 bike radars and points to the highest-rated model for each option.
24 models from 13 brands, all rated against the same criteria (6 criteria in total).
Sigma RECO 81 LINK, scoring 9.2/10 in our analyses, out of 24 models compared.
Garmin, with 7 models analysed, ahead of Magicshine (3 models). We analysed 13 brands in total.
The median recorded price is £103; most models cost between £51 and £190 (5th to 95th percentile of recorded prices).