Serfas E-Lume 605 Headlight Bike Accessories_Hand Pumps The cadence sensor 2 fastens

The cadence sensor 2 fastens to any size crank arm and measures pedal strokes per minute so you can get the most out of your training

and Garmin not included

**Component specifications are subject to change**

Super smooth

Serfas E-Lume 605 Headlight Bike Accessories_Hand Pumps The cadence sensor 2 fastensFeatures: Daytime Flash Mode Up To 80 Hrs Runtime Extruded Aluminum Body Integrated USB Rechargeable Li Ion Battery Backlit Button Indicates Charge Status and Low Battery Handlebar Bracket Specs: Solid Mode: Overdrive 605 Lumens 1. 75 hrs High 400 Lumens 2. 75 hrs Medium 200 Lumens 4 hrs Low 100 Lumens 8 hrs Flash Mode: Daytime 605 Lumens 80 hrs Low 100 Lumens 25 hrs Size: 103. 7mm L x 31mm W x 22. 6mm H (4. 1 L x 1. 22 W x 0. 90 H) Weight : 162 Grams