Kryptonite USB Rechargeable Street F-500 And Avenue R-45 Combo Set 26In Q-factor: 53 mm/ 55mm with

Q-factor: 53 mm/ 55mm with supplied spacing washer

7 or 8 speed drivetrains

instead of wasting time configuring settings

such as Zwift

Kryptonite USB Rechargeable Street F-500 And Avenue R-45 Combo Set 26In Q-factor: 53 mm/ 55mm withUSB rechargeable 500 lumen headlight and 45 lumen tail light combo pack Headlight has 6 modes , High steady, Medium steady, Low steady, Daylight pulse, Nitelight pulse and Economic Flash Tail light has 5 modes , High steady, Low steady, Daylight pulse, Nitelight pulse and Economic Flash Memory Function Light turns on at the last mode it was turned off Power saving function 10% power or less, lights will automatically switch to lowest lumen output