Vertiko Lens Vertiko Lens Description LED battery rear light for mounting on the seat post, tool-free battery change. Features >> Illumination time approx. 900 min. >> 2x AAA Batteries >> Attachment to any seat post >> Approved for Germany Operation manual ↓ more products Lighting Carrier Mudguards Drive Accessories Spokes Wheels Rims Saddles Locks Uwe Ruppel