Abstract: The measuring device is intended to measure forces on a bicycle pedal (1) mounted to rotate on a pedal spindle (2) fixed at the free end of a crankset crankarm (6). The device includes force sensors positioned on the pedal spindle and able to detect the force directed perpendicularly to the pedal spindle and to supply a signal dependent on the force detected, and electronic elements able to process the signals received from the sensors. Some of the electronic elements are incorporated in an electronic card (23) powered by a stand-alone energy source and to which is fixed a male connecting member (24) able to pass through a fixing hole (5) of the pedal spindle (2) on the crankarm (6) in order to cooperate with a female connecting member provided in the end of the pedal spindle. The electronic card forms with the male connecting member an easily detachable assembly.

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: This removable device for running a cable in a cycle frame comprises a body (6) mounted resting on the frame, in an opening made for running the cable and comprising an orifice (19) for running the cable. It also comprises a clamping member (7) mounted by screwing onto the body, the said clamping member being able to be deformed during screwing between a first, undeformed, rest configuration corresponding to a position in which the clamping member is inserted into the opening of the frame and a second, deformed configuration corresponding to a position in which the device is clamped against the frame.

Abstract: A bicycle stem includes a stem body (2) that is provided with first elements (3) adapted to attach the bicycle stem to a pivoting tube and second elements (25) adapted to attach a handlebar to the stem. The handlebar include a U-shaped cap (27) that has first connecting elements (32) that connect to second connecting elements (33) that are provided at the front end of the stem body (2) to attach the U-shaped cap (27) opposite a recess (30) provided on the front end of the stem body to receive the handlebar. The length of the stem can be modified using a crescent-shaped spacer (35) that is placed in a U shape for obtaining a reduced length of the stem or in the recess (30) to obtain a more significant length.

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 headset includes upper and lower rolling bearings (8, 9) housed inside the head tube so as to allow relative rotation of the steering tube, and clamping elements (18, 21) for axially clamping the lower and upper bearings (8, 9) against, respectively, a lower end and an upper end of the head tube. The axial-clamping elements include a threaded sleeve slipped over the steering tube. This sleeve is secured to the steering tube by connecting elements including a pin extending through two diametrically opposed holes in the threaded sleeve and through two diametrically opposed holes provided in the steering tube. The sleeve collaborates with a tapped annular cap slipped over the steering tube so as to force the upper bearing downward as the annular cap is screwed onto the sleeve.

Abstract: The headset includes upper and lower rolling bearings (8, 9) housed inside the head tube so as to allow relative rotation of the steering tube, and clamping elements (18, 21) for axially clamping the lower and upper bearings (8, 9) against, respectively, a lower end and an upper end of the head tube. The axial-clamping elements include a threaded sleeve slipped over the steering tube. This sleeve is secured to the steering tube by connecting elements including a pin extending through two diametrically opposed holes in the threaded sleeve and through two diametrically opposed holes provided in the steering tube. The sleeve collaborates with a tapped annular cap slipped over the steering tube so as to force the upper bearing downward as the annular cap is screwed onto the sleeve.

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: The measuring device is intended to measure forces on a bicycle pedal (1) mounted to rotate on a pedal spindle (2) fixed at the free end of a crankset crankarm (6). The device includes force sensors positioned on the pedal spindle and able to detect the force directed perpendicularly to the pedal spindle and to supply a signal dependent on the force detected, and electronic elements able to process the signals received from the sensors. Some of the electronic elements are incorporated in an electronic card (23) powered by a stand-alone energy source and to which is fixed a male connecting member (24) able to pass through a fixing hole (5) of the pedal spindle (2) on the crankarm (6) in order to cooperate with a female connecting member provided in the end of the pedal spindle. The electronic card forms with the male connecting member an easily detachable assembly.

Abstract: The stem includes a stem body (2) that is provided with first elements (3) for attaching the stem (1) to a pivoting tube and second elements (25) for attaching a handlebar to the stem. The latter include a U-shaped cap (27) that has first connecting elements (32) that are able to be connected to the second connecting elements (33) that are provided at the front end of the stem body (2) to attach the U-shaped cap (27) opposite a recess (30) that is provided on the front end of the stem body to receive the handlebar. The length of the stem can be modified using at least one crescent-shaped spacer (35) that is placed in the shape of a U for obtaining a reduced length of the stem or in the recess (30) for obtaining a more significant length.

Abstract: A pedal includes a pedal body (1) mounted rotatably on a pedal axle (2) and having at least two arches (7) for engaging an engagement member (8) fixed below a cyclist's shoe. The arches have opposite branches connected to the pedal body and they are disposed one after the other about the periphery of the pedal body (1) so as to define between them an engagement surface for the engagement member (8) against the pedal body (1). The two arches (7) are adapted to be urged toward each other by resilient return elements returning them to a retention position for the engagement member (8). At least one of the at least two arches is a resilient arch constituting the resilient return elements, and the ends of this resilient arch have bending axes that are offset relative to each other.

Abstract: The device includes a tubular fitting (6) that is part of a bicycle frame and able to accommodate a saddle post (7), elements (19,20) for locking the saddle post (7) in rotation, and members (8) for holding the saddle post (7) in a longitudinal position that is determined relative to the tubular fitting (6). The holding members comprise a stop surface (7a) that is provided on the saddle post (7) and able to work with a stop (8) that is provided on the fitting (6) so as to delimit the insertion length of the saddle post (7) in the latter. The holding members also include at least one annular crosspiece (9, 10) that can be arranged between the stop surface and the stop so as to allow the adjustment of the insertion length.

Abstract: The headset rotationally connects a fork pivoting tube (1) to a steering tube (2) of a cycle frame. It includes a lower roller bearing (3), an upper roller bearing (4), and an element (9, 10) for axially locking the lower and upper roller bearings (3, 4) against a lower or upper end of the steering tube (2). The mechanism for axial locking includes a first element of axial locking that consists of a circular groove (9) that is provided on the outside face of the pivoting tube (1) that works with a second element of axial locking that consists of a rib (10) with an essentially matching shape that is provided on an elastically deformable annular element (11) in a direction that is perpendicular to the axis (A-A) of the pivoting tube (1) and placed above the upper roller bearing (4) so as to exert a thrust against the latter.

Abstract: The chain transmission includes a crank connected to a second crank by an axle of the chain transmission while forming one piece of a single support. The chain transmission axle is housed in a chain transmission tube with the interposition of two bearings arranged around the axle of the chain transmission near the ends of the latter in order to allow rotation of the chain transmission axle in the chain transmission tube. A large chain drive sprocket wheel is located near one of the ends of the chain transmission axle and rotates concomitantly with the latter. The cranks and the chain transmission axle are made of a composite material or a hollow lightweight alloy. A first and second intermediate bushing made of an abrasion-resistant material are attached to the chain transmission axle near one respective end of the latter to receive a respective bearing.

Abstract: A method and device for measuring and adjusting the angular movement of a fastening cleat on a clipless pedal, includes a motion detector which is fixed to the pedal to detect any angular movement in relation to the fastening cleat and transmit data to a data-processing device which calculates values of the angular movement as a function of time, and the average of the variations in the angular movement. The contactless motion detector includes a magnetic sensor which is fixed to the pedal, and is disposed facing a magnet that is fixed beneath the cleat and can detect any variation in the orientation of the magnetic field as a function of the angular movement of the cleat. The angular position of the fastening cleat is adjusted such that the average variation in the value of the free angular movement is returned to the median of the free angular movement range.

Abstract: The crankset (1) includes two cranks (2) that extend in opposite directions on both sides of a crankset shaft (3), whereby each crank (2) is connected to the crankset shaft (3) at one of its ends and has, at its opposite end, a housing (4) that can accommodate a free end of a pedal shaft (5) by defining a distance between centers (L) between the crankset shaft (3) and the pedal shaft (5). The housing (4) is combined with elements (11, 12) for securing the pedal shaft (5) inside the housing (4). A positioning tip (7) is secured in an eccentric manner to the free end of the pedal shaft (5), and the positioning tip (7) is able to be accommodated in the housing (4) of the crank (2) in different angular positions so as to modify the distance between centers (L).

Abstract: The device includes a lower gripping member (5) and an upper gripping member (6). The lower gripping member has an incurved surface bearing against the incurved surface provided on a slider (15). The slider can be moved in the longitudinal direction along a slide way (16) provided on the saddle post head (4). The upper gripping member (6) is connected to the saddle post head by a gripping screw (17) passing through a hole (18; 19; 20) provided respectively in the saddle post head, the slide way (15), and the lower gripping member (5). The hole (18) in the saddle post head (4) is a first longitudinal slot permitting the continuous adjustment of the longitudinal position of the slider, and the hole (19) in the slider is a second slot aligned with the first slot (18) and permitting the inclination of the gripping screw.

Abstract: The frame includes at its rear portion two bases (12, 13) extending substantially horizontally rearwardly so as to define between them a space for the reception of a rear wheel, and two stays (14, 15) extending obliquely toward one respective end of the bases (12, 13) and being connected thereto at an acute angle by connection elements, a pair of recesses for a rear wheel axle being disposed substantially at the intersection of the stays (14, 15) with the bases (12, 13) . Each recess of the pair of recesses has a first notch with a semicircular bottom (23) provided at one flattened end of a base and a second notch with a semicircular bottom (24) provided at a flattened end of a stay and disposed facing the first notch (23) such that the semicircular bottoms will be aligned with each other.

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.