Abstract: A method is intended for manufacturing a bicycle spoked wheel. By inserting the nipples or barrels for the attachment of the spokes in the spoke attachment seats from the inside of the spoke attachment chamber instead of from the outside, after having inserted them in the chamber from a suitably sized opening, the rim of the bicycle wheel can be manufactured even without additional openings, still using conventional nipples or barrels.

Abstract: A pedal for racing bicycle comprises a pedal body carrying a toe clip at the front with a strap for retaining a cycling shoe and a transverse stop at the rear which is adapted to engage a recess formed in a cleat fitted to the sole of the shoe. The transverse stop is movable relative to the body of the pedal so as to enable the cleat to be released in use as a result of a backward and/or rotary force applied by the shoe above a threshold value.

Abstract: In a rear derailleur of the type including an articulated parallelogram joint, the axes of articulation of the two connecting rods of the articulated parallelogram to the upper body of the derailleur are inclined to the longitudinal plane of the bicycle in the position of mounting of the derailleur on the bicycle. These axes are also arranged with one outwardly of and higher than the other so that the plane containing them is also inclined to the axis of the rear wheel of the bicycle. It is possible to arrange for the lower body of the derailleur to be displaced when the chain is derailed, the chain transmission wheel being kept at a substantially constant distance from the sprocket which is engaged by the chain from time to time.

Abstract: A device for operating the gear change of a bicycle comprises a main body mounted rotatably on a support pin and provided with an operating lever. A member driven by the main body and whose rotation is prevented by friction coupling means is also mounted rotatably on the support pin. Interposed between the driven member and the main body are one-way engagement means for coupling the driven member to the main body for rotation only when the operating lever is rotated in the direction of return of the derailer spring. These one-way engagement means are controlled directly by the same operating lever, which is constituted by an element separate from the main body and articulated to this body.

Abstract: In a gear selector for controlling speed gears with a spring-loaded derailleur for sports and racing bicycles, there are associated with the gear selector operating lever (1), mounted rotatable against friction on a pivot (2), a snap-action mechanism controlling a plurality of lever positions with which a like number of positions of correct alignment of the speed gear with the various sprockets of the free wheel correspond, and means for activating and deactivating said mechanism on command. This snap-action mechanism comprises a notched member (4) with notches (18) in different positions, which is immediately interchangeable so as to adapt the gear selector to the control of any type of free wheel and of the most varied combinations of sprockets in free wheels, and at least one pawl for engaging the notches of said member and constructed integrally (5) with the spring which urges it into said engagement.

Abstract: A bicycle brake includes a pair of calipers which are provided with brake blocks and pivot about two parallel axes, and which are resiliently biassed towards a rest position and movable into an operative braking position by a flexible cable fixed within a through-hole in a member for operating the calipers and acting in a direction contained in a plane equidistant from the two pivoting axes of the calipers. The end part of the cable is pressed into the through-hole by a threaded element. To enable the cable to be mounted rapidly and easily, the operating member has a slot passing through it and opening into the through-hole, and is arranged so that the end part of the cable can be inserted into the hole through the slot by the movement of the cable in a direction peripendicular to its axis.

Abstract: A device for displaying the gear parameters of a bicycle comprises a sensor for detecting the position of the member (or members) for controlling the gear-change, and display means connected to the sensor means and able to supply a signal indicative of the ratio engaged. In a preferred embodiment, the number of teeth of the two gear-wheels (front and rear) on which the chain is engaged are displayed.

Abstract: A device to anchor a cyclist's shoe to the pedal of a bicycle is provided, including a plate fixed to the bottom of a cyclist's shoe. The plate has front and rear engageable portions. A bicycle pedal is rotatable about a spindle; and a clip member cooperatively engages the front portion of the plate and a pivotable hook lever to cooperatively engage the rear portion of the plate. The clip member is laterally pivotable about an axis perpendicular to the foot rest surface. Portions of the hook lever and the spindle are adapted to cooperatively engage each other in a manner which prevents the pedal from rotating when the hook lever is not in engagement with the plate.

Abstract: A rear derailing device for bicycle gears comprises a first body intended to be fixed to the frame, a second body, a lower body for driving the bicycle chain, and an articulated parallelogram joint connecting the first body to the second body. The joint has end heads which are connected to the first body and the second body respectively by swivelling hinge connections. The two elements of each hinge connection have facing surfaces with frontal teeth which cooperate with each other to hold the two elements of the hinge connection in a preselected relative position. The elements can be locked in this position by a locking screw arranged to press the facing surfaces against each other.

Abstract: A rear derailleur for bicycle gears comprises an upper body which can be fixed to the bicycle frame, a lower body carrying a chain tensioning wheel for the bicycle chain and being movable relative to the upper body to bring the chain into selective engagement with a series of sprockets carried by the hub of the rear wheel of the bicycle, and a flexible cable for causing movement of the lower body. This lower body is carried by a control lever which is supported for rotation and axial sliding on a cylindrical guide element fixed to the upper body. Transmission device is interposed between the flexible cable and the control lever and is adapted simultaneously to impart rotation and axial sliding to the control lever, relative to the cylindrical guide element, as a result of operation of the flexible cable.

Abstract: A rear derailleur for bicycle gears comprises an upper body which can be fixed to the bicycle frame, a lower body carrying a chain tensioning wheel for the bicycle chain and being movable relative to the upper body to bring the chain into selective engagement with a series of sprockets carried by the hub of the rear wheel of the bicycle, and a flexible cable for causing movement of the lower body. The lower body is carried by a control lever supported for rotation on a hollow cylindrical body which is rigidly connected to the upper body. A helical flexion spring is operatively interposed between the control lever and the upper body with its axis coincident with the axis of rotation of the control lever. The spring is preferably housed within the hollow cylindrical body.

Abstract: A saddle pillar for bicycles and the like comprises a support element fixable to the bicycle frame and having a head on which a device for supporting and clamping the saddle is mounted in an adjustable position. The latter comprises a lower support and an upper bracket between which a part of the load-bearing structure of the saddle is interposed, and clamping means which urge the lower support and the upper bracket against each other and against the head of the support element to clamp the part of the load-bearing structure of the saddle. The head of the support element is provided with adjustment means for effecting a variation of the position of the device for clamping the saddle to the head of the support element after the release of the clamping means. The clamping means preferably comprise a lever device for rapid clamping and release, while the adjustment means comprise a micrometric adjustment device.

Abstract: In a rear derailer for bicycle gears, of the type including a support member intended to be fixed to the bicycle frame and a chain transmission member connected to the support member and movable relative thereto, the transmission member is mounted for rectilinear sliding on a guide pin carried by the support member.

Abstract: A fast opening arrangement for shoes of bicycle brakes--of the type wherein control is obtained, by cable, through a control lever pivotally mounted on a body fixed to the bicycle handle bar--comprises a cylinder inserted across the control lever and axially moving through the same between two positions, which alternatively rest with their lateral surface against one or the other of the two sidewalls of the body on which said lever is pivotally mounted. These walls project to different extents and are cam profiled. In one of the two positions, the brake shoes are close to but spaced from the tire for normal braking; but in the other position, the shoes are spaced far enough apart to permit the wheel to be removed from between them.

Abstract: A rear derailleur for bicycle gears comprises an upper body which can be fixed to the bicycle frame and a lower body carrying chain transmission member and being movable relative to the upper body to bring the chain into selective engagement with a series of sprockets carried by the hub of the rear wheel of the bicycle. The lower body is connected by an articulated parallelogram joint to an intermediate connecting element which is in turn mounted for sliding on guide member carried by the upper body. Connecting rods are provided for univocally correlating the movements of the intermediate element relative to the upper body with the movements of the lower body relative to the intermediate element. In this way, the resulting movement of the lower body relative to the upper body has both a component along the axis of the hub of the rear wheel of the bicycle, and a component radial to that axis.

Abstract: A device allowing bicycle pedals to take up a steady position when they are not engaged by the cyclist's shoe comprises a knurled ring, formed on the pedal spindle, and a lever pivotally mounted on a pin parallel to the pedal spindle and positioned under the pedal body. The lever has a corresponding knurl at one end for engaging with the knurled ring under the action of a spring means, when the cyclist's shoe is not engaged with the pedal. The knurl is disengaged once the shoe engages the pedal.

Abstract: A toe clip for bicycle pedals, comprising a plate of flexible material adapted to be fixed to one side of a bicycle pedal body and extending forward and then being bent rearward to enclose the toe of a shoe. A strap is surrounded by an eyelet secured to the rearwardly bent portion of the plate. The eyelet is in the form of a loop having two free superposed ends, and a lever presses together the two ends of the eyelet with the end of rearwardly extending portion between them thereby to permit selective positioning and locking of the flexible plate and the eyelet in any of a plurality of selected adjusted positions relative to each other. The end of the eyelet and the rearwardly extending end of the flexible plate have mating projections and recesses disposed in a series extending in the direction of adjustment of the flexible plate and eyelet relative to each other, thereby to predetermine the positions of adjustment.

Abstract: In a gearshift for bicycles--of the type controlled by a driving cable and with articulated parallelogram, comprising two connecting rods which connect an upper body, pivoted to the end of the rear fork of the bicycle frame, to a lower body carrying an oscillating rocker arm guiding the transmission chain--means are provided in the form of a rod having its end linked by means of ball hinges to the lower body of the gearshift and, respectively, to a fixed point on the rear fork.

Abstract: A toe clip for bicycle pedals comprises a flexible metal lamina fixed on one side of the pedal cage, which lamina extends first forward and outwardly and then folds backward to envelop the shoe point, onto which it presses in correspondence of the foot neck by way of a strap. The folded portion of the flexible lamina ends with two eyelets for the strap, placed at a certain mutual distance.

Abstract: A flask for cyclists is equipped with a closing and delivery device for the liquid contained therein, which consists of a fixed part, comprising a bush having a partially open bottom and an orifice, and a central cylindrical body coaxial to the bush, connected to its bottom and projecting from its orifice, and of a mobile tubular nozzle part, cooperating with the bush and with the central body in order to close the flask, to deliver selectively a series of light sprays or to deliver a large single spout. The flask has an elongated shape, tapering towards the device, a gripping recess which is also elongated, and a flattened section on one side, all of which guarantee the ergonomic grip and, at the same time, the aerodynamic shape of the flask itself.