Abstract: An aerodynamic assembly for bike handlebars, includes two distinct extension devices (4a, 4b), each of the two extension devices (4a, 4b) having: a first armrest-forming part (5a, 5b), able to be fastened on a transverse bar of a bike handlebars (1) while extending longitudinally forwards and including a longitudinal extension (6a, 6b) forming a free end portion. An upper surface of the first part with its longitudinal extension forming a receiving surface for a forearm part of a cyclist. A second extension-forming part (8a, 8b), able to be fastened, in a removable manner and in the extension of the first part (5a, 5b), to the free end portion, the second extension-forming part (8a, 8b) being able to slide longitudinally relative to said longitudinal extension (6a, 6b) so as to allow an adjustment of a distance separating a free end of the second extension-forming part (8a, 8b) from the first armrest-forming part (5a, 5b).

Abstract: A bike frame includes including a seat tube (10) for receiving a seatpost (2), a front portion comprising a top tube (13) connecting the seat tube (10) to a head tube (16), the seat tube (10), the top tube (13). The head tube (16) extends in a plane of symmetry of the bike frame (1). A rear portion has two chain stays (11a, 11b) and two seat stays (12a, 12b) arranged symmetrically relative to the plane of symmetry of the bike frame (1). The two seat stays (12a, 12b) are independent of each other and the two seat stays (12a, 12b) have a preform that is curved along at least one arc in a plane passing through the two seat stays, so as to enable the two seat stays to move away from or closer to each other under the action of a vertical load.

Abstract: An automatic cycle pedal includes a pedal body (1) rotatably mounted on a pedal axle (2). The pedal body (1) includes attachment means (3, 4) for attaching a retaining plate fixed to the bottom of a cyclist's shoe, having of a fixed front attachment member (3) and a mobile rear attachment member (4) mounted to pivot on the pedal body (1) about a rotation axis (6) between a position retaining the plate engaged between the front and rear attachment members (3, 4), and a position releasing the plate by pivoting of the rear attachment member (4) against the action of an elastic return means. The pedal further includes an adjustment system (8) for adjusting a return force of the elastic return means in order to adjust a shoe attachment/detachment tension.

Abstract: A stem includes a stem body, one of the extremities of which includes element for attaching a handlebar, the opposite extremity including two parallel arms connected to a pivot tube by an articulation associated with clamping element which immobilize the stem in a chosen position. The clamping element includes a pair of frustoconical bodies connected to the extremities of the arms. The frustoconical bodies are received in housings of complementary shape. The frustoconical bodies are connected by a connecting element capable of moving them closer to one another in order to clamp them in the respective housing, and of loosening them by moving them further apart one from the other so as to allow the continuous adjustment of the inclination of the handlebar. The cone angle of the frustoconical bodies possesses a sufficiently low value to permit them to be pinched inside their housings.

Abstract: A bicycle frame (1) including a seat tube (10), characterized in that the seat tube (10) includes a high end portion (15) capable of being inserted into a hollow seat post body (20); and an attachment device (4-8) capable of locking the seat post body (20) on the inside in the area of the high end portion (15).

Abstract: The device is designed to guide a flexible linking member passing into a bicycle frame to link a control member carried by bicycle handlebars to a receiver. The linking member (14) enters the bicycle frame via an inlet opening (15) formed in a head tube (1). The guide device (3) forms an insert that can be built into the head tube (1) and includes a guide channel (17) for the linking member (14) intended to communicate with the inlet opening (15). The insert (3) can be placed inside the head tube (1) in a seat (4) shared with an upper bearing (2) of a headset and has an internal face that can at least partially surround a fork steerer (6) inserted in the head tube (1), and an external face containing the guide channel (17).

Abstract: A clipless pedal device (1) for securing a first securing arrangement provided on the pedal with a second securing arrangement fixed under the sole of the cycling shoe, includes an attachment arrangement (8). The attachment arrangement (8) includes at least one moving part that is prestressed into the attachment position by an elastic element (5a, 5b). The elastic element (5a, 5b) includes a straight oblong part constituting a torsionally (T) stressed element.

Abstract: A stem includes a stem body, one of the extremities of which includes element for attaching a handlebar, the opposite extremity including two parallel arms connected to a pivot tube by an articulation associated with clamping element which immobilize the stem in a chosen position. The clamping element includes a pair of frustoconical bodies connected to the extremities of the arms. The frustoconical bodies are received in housings of complementary shape. The frustoconical bodies are connected by a connecting element capable of moving them closer to one another in order to clamp them in the respective housing, and of loosening them by moving them further apart one from the other so as to allow the continuous adjustment of the inclination of the handlebar. The cone angle of the frustoconical bodies possesses a sufficiently low value to permit them to be pinched inside their housings.

Abstract: The device for securing a detachable cycle component, includes clamping elements including at least one clamping member (8) movable between a clamped position for securing the cycle component (1) and an unclamped position for releasing the cycle component, and tensioning elements (11, 12) acting on the clamping member for moving same toward the clamped and unclamped positions. The tensioning elements (11, 12) include a flexible element (11) connected to the clamping member, and a winding member (12) for winding the flexible element (11). This securing device may advantageously be used to secure a cycle component such as a seat post, a wheel or a handlebar to a cycle.

Abstract: A bicycle wheel carrier assembly is equipped with a rim brake with pads (5) which is built into the structure of the carrier assembly. The rim brake includes two actuating arms (3) and two pad-bearing brake arms (4). Each actuating arm (3) associated with a pad-bearing brake arm (4) is articulated in a recess of the structure of the carrier assembly between a first position in which it is retracted within the structure and a second position providing access to the pad-bearing brake arm (4).

Abstract: The bracket includes a bracket body of which the front end ends by a receiving recess that is adapted to the shape of a set of handlebars and that can be closed toward the outside by a tightening yoke that is adapted to the shape of the handlebars. The tightening yoke is connected to the bracket body to tighten the handlebars by a tightening unit. The tightening yoke is formed by a part that is connected in the form of a flexible belt of which a first end is anchored in the bracket body and of which a second end is connected to the tightening unit arranged behind the receiving recess by being capable of pulling the second end close to the first end of the belt forming a tightening yoke in such a way as to adjust the tightening force of the handlebars.

Abstract: The bicycle crankset includes a bottom bracket axle, two cranks and a chainring carrier bearing first and second different toothed chainrings. The chainring carrier has the shape of a star, of which each arm is provided with a mounting hole aligned with a mounting hole in the first and second chainrings respectively. These holes accommodate elements for fastening chainrings to the chainring carrier, and they are arranged on a first circle with a predetermined diameter. Each arm of the chainring carrier is provided with a second mounting hole arranged on a second circle with a diameter that has been reduced relative to the first circle to match the chainring carrier to two other toothed circular chainrings with a size that is respectively reduced relative to the first and second chainrings and of which the mounting holes are located on the second circle.

Abstract: The link plate includes fastening holes (14) under the sole of a cyclist's shoe, a front attachment member (5) suitable for cooperating with a front attachment member of an automatic cycle pedal, and a rear attachment member suitable for cooperating with a rear attachment member of the pedal to grip the plate between the front and rear attachment members of the pedal which bear against a front gripping surface (9) and a rear gripping surface (15, 15?) on the front (10), respectively rear (16), rim of the plate (1). At least one of the front and rear gripping surfaces is divided into a plurality of parts by a notch (21, 21?) extending through the entire thickness of the link plate, forming therein an opening for evacuating mud penetrating into an interstice formed between the sole of the shoe and the front (5) and rear (11) attachment members of the plate.

Abstract: The automatic cycle pedal includes a pedal body (2) mounted to rotate on a pedal axis (3) and provided with a front member (5) for engaging an attachment member fixed under the sole of a shoe of a cyclist, and a rear member (6) for retaining the attachment member. The automatic pedal (1) also includes primary support surfaces (8) provided on the pedal body (2) and used simultaneously with auxiliary support surfaces (10) provided on a support cage (9) arranged around the pedal body (2) while giving access to the front and rear members (5, 6). The support cage (9) is mounted removably on the pedal body (2) using link elements (11) so as to allow the automatic pedal with support cage with auxiliary support surfaces to be converted into an ordinary automatic pedal without support cage and vice versa.

Abstract: The bracket includes a bracket body of which the front end ends by a receiving recess that is adapted to the shape of a set of handlebars and that can be closed toward the outside by a tightening yoke that is adapted to the shape of the handlebars. The tightening yoke is connected to the bracket body to tighten the handlebars by a tightening unit. The tightening yoke is formed by a part that is connected in the form of a flexible belt of which a first end is anchored in the bracket body and of which a second end is connected to the tightening unit arranged behind the receiving recess by being capable of pulling the second end close to the first end of the belt forming a tightening yoke in such a way as to adjust the tightening force of the handlebars.

Abstract: The stem (1) is provided with elements (3) for attaching the stem to the upper end of a pivoting tube and elements (25) for attaching a handlebar to the stem. The rear attachment elements (3) include articulation members (8) that make it possible to adjust the tilt of the stem (1) and tightening elements (10, 11, 19, 21) that make it possible to lock the stem in an angular position. The tightening elements are of a semi-cylindrical shape extending crosswise into a housing (12) that has an opening (12?) downward that makes it possible to insert the pivoting tube (4). The tightening elements at their upper and lower ends are provided with a receiving recess (13, 14) that is adapted to the pivoting tube and extend crosswise in the housing that has a cylindrical wall (15) cooperating with the first tightening element (10) so as to define the articulation members.

Abstract: This automatic bicycle pedal comprises a pedal body (2) equipped at a first end (5) with first attachment means (7) and at a second end (6) with second attachment means (10), an elastically deformable lever (8) bearing the second attachment means and capable of being deformed between a first position of holding a cleat fixed to the underside of a shoe between the first and second attachment means, and a deformed second position allowing the cleat to be attached and detached in respect of attachment and detachment movements. The deformable lever comprises at least one first deformable zone (12) that can be deformed during attachment and detachment movements and at least one second deformable zone (13) that can be deformed during one of the said attachment and detachment movements, the said first and second zones having different stiffnesses.

Abstract: The pedal includes a pedal body (1) rotationally mounted on a pedal shaft. The pedal body (1) includes a fixed front catch element (4) and a movable rear catch element (6) that work with a retaining plate (3) fixed underneath the footwear of the cyclist. The movable rear catch element (6) is mounted to be able to pivot between a retaining position of the plate (3) and a position of release of the plate (3) by the pivoting of the rear catch element (6) in opposition to the action of an elastic return element (10). The elastic return element (10) is composed of an elastic leaf that forms a spring located in a longitudinal housing (11) of the pedal body (10) open to the rear, the leaf (10) being able to be stressed along its longitudinal axis in buckling during pivoting of the rear catch element.

Abstract: A bicycle wheel carrier assembly is equipped with a rim brake with pads (5) which is built into the structure of the carrier assembly. The pad-type rim brake includes two actuating arms (3) and two pad-bearing brake arms (4). Each actuating arm (3) associated with a pad-bearing brake arm (4) is articulated in a recess of the structure of the carrier assembly between a first position in which it is retracted within the structure and a second position providing access to the pad-bearing brake arm (4).