A wheel axle suspension of a vehicle comprising: - an axle body (3; 103) of a wheel axle of the vehicle, - a flexible trailing arm (5; 105) extending in a longitudinal direction of the vehicle and crossing the axle body (3; 103) substantially perpendicular, said trailing arm (5; 105) having a front spring portion (6; 106)extending in the longitudinal direction of the vehicle and said trailing arm (5; 105) having anaxleseating portion (9; 109) adjoining the front spring portion (6; 106), said axle seating portion (9; 109) having a concave side at which the axle body (3; 103) is arranged, - at least one clamping strap (19; 119) for clamping the axle body (3; 103) and the trailing arm (5; 105) together, the at least one clamping strap (19; 119) has a front leg (19a; 119a) and a rear leg (19c; 119c) and an arched portion (19b; 119b) interconnecting said front and rear leg, wherein the arched portion (19b; 119b) extends around a part of the circumference of the axle body (3; 103) and said legs (19a, 19c; 119a, 119c) of the strap (19; 119) are tensioned with respect to the trailing arm (5; 105), such that the axle body (3; 103) is clamped between the arched portion (19b; 119b) of the strap (19; 119) and said concave side of the axle seating portion (9; 109) of the trailing arm (5; 105), wherein said axle body (3; 103) is arranged directly against the concave side of the axle seating portion (9; 109) of the trailing arm (5; 105), and wherein the front leg (19a; 119a) of the strap (19; 119) extends towards the front through or along the side of the trailing arm (5; 105) and is supported at the front side of the axle seating portion (9; 109) and the rear leg (19c; 119c) of the strap (19; 119) extends through or along the side of the trailing arm (5; 105) towards the rear and is supported at the rear side of the axle seating portion (9; 109), characterized in that the angle between the front leg (19a; 119a) and the rear leg (19c; 119c) of the strap (19; 119) is within the range 90° - 170°. - an axle body (3; 103) of a wheel axle of the vehicle, - a flexible trailing arm (5; 105) extending in a longitudinal direction of the vehicle and crossing the axle body (3; 103) substantially perpendicular, said trailing arm (5; 105) having a front spring portion (6; 106)extending in the longitudinal direction of the vehicle and said trailing arm (5; 105) having anaxleseating portion (9; 109) adjoining the front spring portion (6; 106), said axle seating portion (9; 109) having a concave side at which the axle body (3; 103) is arranged, - at least one clamping strap (19; 119) for clamping the axle body (3; 103) and the trailing arm (5; 105) together, the at least one clamping strap (19; 119) has a front leg (19a; 119a) and a rear leg (19c; 119c) and an arched portion (19b; 119b) interconnecting said front and rear leg, wherein the arched portion (19b; 119b) extends around a part of the circumference of the axle body (3; 103) and said legs (19a, 19c; 119a, 119c) of the strap (19; 119) are tensioned with respect to the trailing arm (5; 105), such that the axle body (3; 103) is clamped between the arched portion (19b; 119b) of the strap (19; 119) and said concave side of the axle seating portion (9; 109) of the trailing arm (5; 105), wherein said axle body (3; 103) is arranged directly against the concave side of the axle seating portion (9; 109) of the trailing arm (5; 105), and wherein the front leg (19a; 119a) of the strap (19; 119) extends towards the front through or along the side of the trailing arm (5; 105) and is supported at the front side of the axle seating portion (9; 109) and the rear leg (19c; 119c) of the strap (19; 119) extends through or along the side of the trailing arm (5; 105) towards the rear and is supported at the rear side of the axle seating portion (9; 109), characterized in that the angle between the front leg (19a; 119a) and the rear leg (19c; 119c) of the strap (19; 119) is within the range 90° - 170°. - at least one clamping strap (19; 119) for clamping the axle body (3; 103) and the trailing arm (5; 105) together, the at least one clamping strap (19; 119) has a front leg (19a; 119a) and a rear leg (19c; 119c) and an arched portion (19b; 119b) interconnecting said front and rear leg, wherein the arched portion (19b; 119b) extends around a part of the circumference of the axle body (3; 103) and said legs (19a, 19c; 119a, 119c) of the strap (19; 119) are tensioned with respect to the trailing arm (5; 105), such that the axle body (3; 103) is clamped between the arched portion (19b; 119b) of the strap (19; 119) and said concave side of the axle seating portion (9; 109) of the trailing arm (5; 105),