Moon Arcturus Auto Pro Rear

Now $59.00 RRP $65.99 SAVE $6.99
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The Moon Arcturus Auto Pro Rear Light is an awesome little unit always has your back. Never worry about whats behind you again. With massive 50 Lumens output with a staggering 100 Lumens overdrive it can be seen as far as a mile back!

Auto on/off light sensor, auto charger shut off and overheat protection makes the most of battery and prolongs its life.



  • 1 pc (30 chips) rectangular ring COB high brightness red LED

  • CNC Aluminium heat sink casing

  • Light sensitive auto ON/OFF

  • Auto safe mode

  • Mode memory function

  • Rechargeable lithium polymer battery (3.7V 650 mAh)

  • 7 modes: Mode1 / Mode2 / Mode3 / FL 1 / FL 2 / FL 3 / DAY FLASH (DOUBLE BLAST)

  • Quick release universal bracket RB-22 (fits all round bars and AERO style bars)

  • Low battery, charging and fully charged indicator

  • Automatic fully charged cut-off system

  • Side visibility

  • Water resistant (IPX 4)

  • Size: 57.5 x 28.5 x 19mm


In the Box


  • RB-22 (Universal bracket)

  • 2 O-rings for mounting:

  • RS-G (fits 20-35mm diameters)

  • RS-H (fits 35-52mm diameters)

  • BK-21 (Belt clip)

  • RB-21 (Saddle rail bracket)

  • USB-WP (Water resistant USB cable)

  • Optional Accessories:

  • RB-19 (Rear rack mount bracket)

  • RB-23 (Helmet bracket)

  • USB-RM-1200 (USB remote control 1200mmL)



ModeLumenRuntimeWeight(grams)Charge Time
MODE 1 15                  4:45 ---- ----
MODE 2 25                  2:45 ---- ----
MODE 3 50                  1:30 ---- ----
FL 1 15                  25:00 36 g 2 hrs
FL 2 50                  7:30 ---- ----
FL 3 50                  11:00 ---- ----
DAY FL 100                  24:00 ---- Hold for 3 seconds to toggle between automatic status and normal status.
---- ----                  (Auto safe) around 1 hr ---- * The time of recharging depends on which method (wall charger or computer) is being used.
More Information
Shipping Weight 0.2000
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Moon Sport dedicated to Quality

We are dedicated to the quality of our products. Attention to detail and fine craftsmanship is key to the production of our products. Every feature of Moon Sport product is tested and reviewed by engineers and product designer.

Every new design goes through rigorous reviews and calculations. Moon Sport’s professional team thoroughly tests each product to its limits, in order to produce the best products in the industry. Our state-of-the-art facilities and production line is efficient and managed by quality professionals. Before, during, and after product production, we are keen to provide the best services for our customers and partners.

Moon Sport is also extensively invested designer the latest products. Our team of product designer is at hand designing and researching the latest technologies to better serve customer needs. We here are bicyclists too. We are always brainstorming new designs to make riding safer for all. Believe us when we say, your safety is our concern.

Club 99 Membership

Join Club 99 for just $5 when you make a purchase in store, or use the button below to buy membership online. To reward you for being a club member, your Club 99 membership card will give you these great benefits:

  • Discounted Club 99 pricing, in store and online
  • A $25 gift card when you spend over $500 in a year *
  • Access to free bike maintenance classes
  • Exclusive priority access to new offers
  • Access to exclusive guarantees

Please note that when you buy Club 99 membership online, it may take up to 20 minutes to receive your welcome email.

* Click here for Club 99 terms and conditions.