The Q-Tubes Standard Line Presta Valve tubes feature QBP's widest variety of tube sizes and valve lengths with a proven record of high quality control and consistent availability

Hose not Included

a 24mm socket or wrench

Intended use: road racing

They do not work with Shimano 12 speed Hyperglide+ chain

GIANT Recon Tail Light - TL 200 giant The Q-Tubes Standard Line PrestaMaximum output to 200 lumens ANSI Standard certified lumen output and runtime Water proof to IPX7 standard Two lens focused and dispersed optics with side light design for over 270 degrees of visibility Power status indicator alerts remaining run time before powering off Light memory mode Compatible with Rev Comp, Compel, Roost and Prompt series helmets Compatible with saddle rail mount, providing optimal angle for visibility