Lezyne crv 20 is functional lightweight and durable and ideal for road side or trail side use with forged aluminium sides these are easy to use with gloves on key features allen keys 2 3 4 5 6 and 8mm phillips head and flat head screw driver star shaped t25 chain breaker 910 speed spoke wrenches mavic mtb 322 and 345 60mm serrated knife open end tyre lever 10mm bottle opener open end 8mm disc brake wedge weight 150g