Sports shoe and tightening strap for such a shoe

Sports shoe, in particular a cycling shoe, comprising at least one strap for securing the instep, one end of which strap is attached to one side of the shoe and the other end of which strap is designed to cooperate with a tensioning device provided on the other side of the shoe, wherein:

• the strap (B) comprises at least two parts, namely a first strap part (B1) provided, at one of its ends, with a first fastening means (A1), while its other end (2, 2a) is attached to the shoe, and a second strap part (B2) provided, at one of its end, with a second fastening means (A2) mating with the first, the other end (3) of this second strap part being intended to cooperate with the tensioning device (4), the cooperation between the fastening means allowing a preadjustment of the length of the strap (B) as a whole, while a locking means (V) is intended to occupy a first position in which the two fastening means (A1, A2) are maintained in a state of cooperation, and a second position in which the fastening means can be disengaged,
• and the locking means (V) comprises a tunnel cap (6) in which the parts of the strap (B1, B2) can be engaged, this tunnel cap being designed to slide along at least one of the strap parts when it is desired to adjust the length of the strap, the tunnel cap being sufficiently clamped or immobilized when it covers the fastening means of the two parts so as to maintain them in a state of cooperation.