Mountain bike shoe sole

1. A mountain bike shoe sole, comprising:

an outsole having a central portion, a lower surface and a tread;

a cleat assembly;

at least a recess, provided in said lower surface, for housing said cleat assembly;

at least a removable shim, housed in said recess, having a thickness, and being suitable to be interposed between said lower surface of said outsole and said cleat assembly,

wherein said outsole includes at least a wear indicator;

wherein said tread of said outsole includes, in said central portion, an outer support tread and an inner support tread, said wear indicator being provided along said outer support tread, and/or along said inner support tread; and

wherein said wear indicator includes a top layer, having a thickness which is substantially equal to said thickness of said shim, and a bottom layer.

2. The mountain bike shoe sole according to claim 1 , wherein said shim includes relief portions to securely engage said recess, said recess correspondingly including seats for housing said relief portions.

3. The mountain bike shoe sole according to claim 2 , wherein said shim and said recess include corners, said relief portions are provided by said corners of said shim, and correspondingly said seats are provided by said corners of said recess.

4. The mountain bike shoe sole according to claim 1 , wherein said outsole includes, along said recess, two first slots, and wherein said shim includes two second slots which in use match said first slots.

5. The mountain bike shoe sole according to claim 1 , wherein said top layer and said shim have respective colors, and wherein the color of said top layer matches the color of said shim.

6. The mountain bike shoe sole according to claim 5 , wherein said outsole includes a surface, below said shim, having a color, and wherein said bottom layer have a color, and wherein said color of said bottom layer matches said color of said surface.

7. The mountain bike shoe sole according to claim 1 , wherein said recess has a rear, and wherein said outsole includes at least an alternative pedal placement zone, provided to said rear of said recess.

8. The mountain bike shoe sole according to claim 7 , wherein said outsole has a front-rear direction, and wherein said alternative pedal placement zone include two contours which are parallel, and arranged transversely with respect to said front-rear direction.

9. The mountain bike shoe sole according to claim 8 , wherein said outsole conforms an embossed area between said two contours.

10. The mountain bike shoe sole according to claim 7 , wherein said outer support tread and said inner support tread include respective portions with reduced height.

11. A combination of a mountain bike shoe sole and a pedal, wherein said sole includes:

an outsole having a front rear-direction, a lower surface and a tread;

a cleat assembly including a cleat;

at least a recess, provided in said lower surface, for housing said cleat assembly, said recess having a rear; and

at least an alternative pedal placement zone provided in said outsole to said rear of said recess,

wherein said pedal includes a pedal body having an upper portion, wherein said upper portion includes a clipping mechanism including clipping portions which, in use, engage said cleat,

wherein said alternative pedal placement zone includes two contours which are parallel, and arranged transversely with respect to said front-rear direction of said outsole, suitable to engage said clipping portions, and

wherein said outsole conforms an embossed area between said two contours which prevents said clipping portions from slipping outside said contours.

12. The combination according to claim 11 , wherein said outsole includes a central portion, and wherein said tread includes, in said central portion, two lateral support treads, said support treads including respective portions with reduced height which provide clearance for said pedal body when said pedal body is positioned in said alternative pedal placement zone.