NiteRider Sentinel 250 Taillight - Lazer Lane Lights 250 lumens Black keyword search-Rival AXS Cartridge Type Threaded Cartridge Size

Cartridge Type Threaded Cartridge Size 16 Gas CO2 Defined Color Silver

Wide ratio cassette with 5 steel sprockets on 2 steel spider carriers with polymer spacers

Diameter 700C Brand Origin8 Model Bolt Carbon Cross/Gravel Low Profile ISO 622 ID Width 21 Width OD 28 Profile 38 Wall Dbl Side DISC Color Black Hole Count 28 Valve PV Weight 440g ERD 569 Extras

4mm Primary Color Black Steerer Tube 1-1/8 Stem Angle ±7° Face Plate Bolts 4 Stem Length 70mm Stem Material Aluminum Stem Weight 161g (110mm) Stem Length 70Mm Stem Angle ±7°

NiteRider Sentinel 250 Taillight - Lazer Lane Lights 250 lumens Black keyword search-Rival AXS Cartridge Type Threaded Cartridge SizeThe Niterider Sentinel keeps a watchful eye over the night projecting highly visible laser lines for your own personal bike lane enhancing your safety immeasurably while also giving you protection during the day with Daylight Visible Flash (DVF) technology. Optimal VIZ with Daylight Visible Flash (DVF) A wearable safety light clip onto various straps belt loops etc. Highly visible laser lanes Group Ride Mode be seen without distracting fellow cyclists