Ultra compact seat bag is hidden under the saddle with hook and loop fastening strap'. '.strtoupper('r')ail wing system allows quick access to essentials without removing the whole bag'. '.strtoupper('t')he gearbag adds a hidden tool compartment that separates tools and personal items for better organization'. '.strtoupper('i')t includes a ratchet tool and 10 bits ensuring that you won't forget your tools when you go out cycling'. '.strtoupper('r')ail wing system extra rail wing straps secure the elementa seatbag to saddle rails even while accessing contents capacity 0.3 l compartment 2 compatibility up to 700 x 50c inner tube 2 tire levers material 1000d polyester water repellent and stain resistant aluminum hook and ring attachment hook and loop fastening strap rail wing system tools hex bits 2 2.5 3 4 5 6 mmtorxreg bits t10 t15 t252 phillips screwdriverratchet tool magnetic holder size 11.4 x 7 x 5 cm weight 163 g features hidden tool compartment