Head to head

Sigma RECO 81 LINK or Magicshine SEEMEE R300: which should you choose?

Comparison of the two bike radars using our catalogue's scoring criteria, value by value. Scores are relative to all the models we have analysed.

Sigma RECO 81 LINK, studio product shot

Sigma RECO 81 LINK

9.2/10
Overall rating

Main drawbackSeatpost mounting needs space beside your saddle bag

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Magicshine SEEMEE R300, studio product shot

Magicshine SEEMEE R300

8.5/10
Overall rating

Main drawbackNarrow detection angle focused behind the bike

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Our verdict based on your priority

  • Priority: “Detection range”Sigma RECO 81 LINK 9 / 10 vs 7.4
  • Priority: “Battery life”Magicshine SEEMEE R300 9.5 / 10 vs 9
  • Priority: “Detection angle”Sigma RECO 81 LINK 9.3 / 10 vs 6.8

By criterion

Comparison of Sigma RECO 81 LINK and Magicshine SEEMEE R300 by criterion
Criterion Sigma RECO 81 LINK Magicshine SEEMEE R300
Detection range 9 advantage 7.4
Battery life 9 9.5 advantage
Detection angle 9.3 advantage 6.8
Equipment 9.5 9.5

A gap of less than half a point does not count as an advantage: our scores are relative to the catalogue, and using them to pick a winner would imply a level of precision we cannot offer.

Side-by-side specs

Specifications for Sigma RECO 81 LINK and Magicshine SEEMEE R300
SpecificationSigma RECO 81 LINKMagicshine SEEMEE R300
Detection range160 m140 m
Battery life30 h100 h
Light outputNot provided300 lm
Detection angle60 °35 °
Charging timeNot provided2,15 h
Battery capacity1350 mAh3350 mAh
ConnectivityBluetooth, ANT+Bluetooth, ANT+
Lighting modesDaytime flashing, Night flash, Peloton, SteadyDaytime flashing, Night flash, Peloton, Steady
FeaturesBraking detectionAutomatic on/off
Ingress protection ratingIP67IPX6
Power supplyBuilt-in rechargeable batteryBuilt-in rechargeable battery
Mounting locationSeatpostSeatpost
Compatible seatpost shapeD-shaped, Round, AeroRound, Aero
Charging connectorUSB-CUSB-C

Figures published by manufacturers and retailers, compiled in our reviews. “Not provided” means the figure could not be verified.

Which is right for you?

Sigma RECO 81 LINK

Leads on 2 criteria of 4 compared

  • Detection angle: 9.3/10 vs 6.8/10 (60 ° vs 35 °)
  • Detection range: 9/10 vs 7.4/10 (160 m vs 140 m)
View Sigma RECO 81 LINK →

Magicshine SEEMEE R300

Leads on 1 criterion of 4 compared

  • Battery life: 9.5/10 vs 9/10 (100 h vs 30 h)
View Magicshine SEEMEE R300 →
Sigma RECO 81 LINKNo verified partner offers for this modelRead the full analysis

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Comparison based on published specifications and our scores, calculated using the same criteria for every model. Our methodology →

Frequently asked questions

Which is rated higher, Sigma RECO 81 LINK or Magicshine SEEMEE R300?

Sigma RECO 81 LINK scores 9.2/10, compared with 8.5/10 for Magicshine SEEMEE R300, using the same scoring criteria.

Which wins on “Detection angle”?

Sigma RECO 81 LINK wins on “Detection angle”: 9.3/10 compared with 6.8/10 for Magicshine SEEMEE R300. Recorded values: 60 ° versus 35 °.

Which wins on “Detection range”?

Sigma RECO 81 LINK wins on “Detection range”: 9/10 compared with 7.4/10 for Magicshine SEEMEE R300. Recorded values: 160 m versus 140 m.

Which wins on “Battery life”?

Magicshine SEEMEE R300 wins on “Battery life”: 9.5/10 compared with 9/10 for Sigma RECO 81 LINK. Recorded values: 100 h versus 30 h.

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