SERFAS COSMO 30 REAR USB

30 lumens to keep you safe! The UTL-30 utilizes an aluminum constructed body to house an IPX6 waterproof light. With its 5 modes, the UTL-30 is ready for action.

Features:

  • Large, Highly Visible Lens for Maximum Visibility
  • IPX6 Waterproof
  • Max Charge Rate 500mA
  • Charges from Dead to Fully Charge in 2 hours
  • Last Mode Memory

Specs:

  • Solid Modes: High (30 Lumens): 2 hrs, Low (15 Lumens): 4 hrs
  • Flash Modes: Daytime Flash (30 Lumens): 5.25 hrs, High Flash (30 Lumens): 8 hrs, Medium Flash (15 Lumens): 10 hrs, Low Flash (7 Lumens): 13 hrs
  • Weight: 60 Grams with Bracket
  • Battery: Lithium Polymer

Sizing Chart

Read about Bike Fitting and Sizing on our blog!

This is a rough guideline and we recommend everyone get fitted at their local bike shop. For a quick guesstimate measure your inseam to the floor and select the size with a standover height about 1"-2" shorter than your inseam. Or, you know, come visit us at the shop!

4’ 4’2 4’4 4’6 4’8 4’10 5’ 5’2 5’4 5’6 5’8 5’10 6’ 6’2 6’3 6’4+
43 CM
47 CM
50 CM
54 CM
58 CM
61 CM
64 CM