2026 ROCKBROS Bicycle Smart Brake Taillight Same Frequency Induction Bike Rear Light Type-C Waterproof MTB Road Cycling Warning Light

:We strictly control product quality to ensure stable performance and safe use.Our store design and product styles have been copied by many peers.Please confirm our flagship store to ensure you get genuine quality goods and standard after-sales service. Thank you!R4 Product InformationMaterial: Aluminum alloy+ pcLamp beads: COB Lamp BeadMode: 5 lighting modesBattery Life: Refer to the tableBattery: 3.7V 260mAH Lithium batteryWeight: ≈29g (including saddle bracket）Dimensions: ≈303825mmApplicability: For 38-54mm seat postR2 Product Information