Color classification: A section black (double fixed - adjustable 24-29 inch),B black fixed type (three-hole installation - not adjustable - 26 inches),B black adjustable type (three-hole installation - adjustable 20- 27 inch),C1 aluminum alloy black (adjustable 22-27 inch),C2 aluminum alloy white (adjustable 22-27 inch) D black fixed type (two-hole installation - not adjustable - 26 inch),D Black adjustable type (two-hole installation - adjustable 22-27 inches),E section medium support (fixed at the frame - adjustable 24-26 inches),two-legged models [mounted at the bottom of the frame, suitable for 24-27.5 inches 】, children's models -12 inches, children's models - 14 inches children's models -16 inches, children's models -18 inches, children's models -20 inches, quick release feet support black, quick release feet support red
Style: bicycle feet
Size: two feet length 33cm * width 21cm
Material: A, C, E are aluminum alloy, B, D are alloy steel