Light RR7 Wheel leds m365 2G has 12 splines that

2G has 12 splines that are approximately 23

FSA® MegaEvo®

and seat stays

Step Step 1: Set the unit --- Long press the buttons "+" and "-"

Light RR7 Wheel leds m365 2G has 12 splines thatBicycle Hot Wheel LightProduct InformationMaterial: Drop resistant full PC Shell. Product Size: 420*30*31mmWaterproof: IPX 5Application: 24 inches and above bicycleSwitch: manual switch + internal vibration sensorFeature* 64 highlight LED lamp beads.* 30 colorful patterns, changes every 4 seconds.* Waterproof performance is good.(Note: This product cannot be soaked in water for a long time)Package does not include battery,You need buy it for