Strip Drive Pro 400+ Derailleurs featuring a two-piece design with

featuring a two-piece design with an alloy center and steel brake track

BEAM SPIDER construction cuts weights and boosts stiffness

SLR Thru Axle

Hub Model I9 101 Rim Color Black Rim Construction Double wall Rim Drilling 28 Rim External Width 31mm Rim inner width range 22-27

Strip Drive Pro 400+ Derailleurs featuring a two-piece design withMax 400 lumens 80 hour runtime in Femto mode Daytime Flash mode Wide Angle Optics: 270 of visibility USB C waterproof charging (cable not included) Seven combined solid and flash modes Aero and round seatpost compatible IPX7 Waterproofing standards 1900 mAh battery capacity 71g Attributes Battery Type Li Ion Bracket Silicone Strap Light Type LED Lumen Range 201 400 Output 400 lumens Position Rear Primary Color Black Rechargeable Yes Run Time Up to 40h