A tricycle having limited steering includes a front wheel mounted to a lower end of a wheel fork. A support tube is connected to a frame. A projection limits rotational movement of the front wheel.

A tricycle having limited steering includes a front wheel mounted to a lower end of a wheel fork. A support tube is connected to a frame. A projection limits rotational movement of the front wheel.

A bicycle includes a lower frame member and an upper frame member connected to a head tube. The lower frame member includes a down tube, a bottom bracket, and chain stays. The upper frame member includes a top tube, seat stays, and a passage formed in part by a first side wall and a second side wall. The first and second side walls include a first and second openings, respectively. A seat tube extends in an upward direction from the bottom bracket and through the passage. The seat tube includes an opening that extends laterally therethrough. A passive pivot assembly secures the seat tube within the passage, and includes a guide sleeve that extends through the first opening, through the opening in the seat tube, and through the second opening. One or more fasteners secure the guide sleeve to the upper frame member.

A bicycle includes a lower frame member and an upper frame member connected to a head tube. The lower frame member includes a down tube, a bottom bracket, and chain stays. The upper frame member includes a top tube, seat stays, and a passage formed in part by a first side wall and a second side wall. The first and second side walls include a first and second openings, respectively. A seat tube extends in an upward direction from the bottom bracket and through the passage. The seat tube includes an opening that extends laterally therethrough. A passive pivot assembly secures the seat tube within the passage, and includes a guide sleeve that extends through the first opening, through the opening in the seat tube, and through the second opening. One or more fasteners secure the guide sleeve to the upper frame member.

A handlebar stem connection mechanism for connecting a handlebar stem with a front wheel fork comprises a steerer tube connectible with the front wheel fork. Further, a handlebar stem tube connectible with the handlebar stem is provided, the handlebar stem tube surrounding the steerer tube. Using a clamping element arranged between the steerer tube and the handlebar stem tube, the steerer tube is clampingly connected with the handlebar stem tube. For fixing, in particular a screw is provided in the clamping element as the fixing element.

A handlebar stem connection mechanism for connecting a handlebar stem with a front wheel fork comprises a steerer tube connectible with the front wheel fork. Further, a handlebar stem tube connectible with the handlebar stem is provided, the handlebar stem tube surrounding the steerer tube. Using a clamping element arranged between the steerer tube and the handlebar stem tube, the steerer tube is clampingly connected with the handlebar stem tube. For fixing, in particular a screw is provided in the clamping element as the fixing element.

A bicycle rolling-element bearing assembly includes an outer bearing ring, an inner bearing ring, a plurality of rolling elements disposed between the outer bearing ring and the inner bearing ring and rotatably supporting the outer bearing ring relative to the inner bearing ring, and a lubricant reservoir, configured as a first cage, for storing and dispensing a lubricant, the first cage including bridge elements extending between the rolling elements and at least one side ring connecting the bridge elements.

A bicycle rolling-element bearing assembly includes an outer bearing ring, an inner bearing ring, a plurality of rolling elements disposed between the outer bearing ring and the inner bearing ring and rotatably supporting the outer bearing ring relative to the inner bearing ring, and a lubricant reservoir, configured as a first cage, for storing and dispensing a lubricant, the first cage including bridge elements extending between the rolling elements and at least one side ring connecting the bridge elements.

A saddled vehicle includes a steering stem inserted into a center part of a top bridge and having an upper end to be fixed to the top bridge with a fastening member. The saddled vehicle includes a handle locking device placed behind the top bridge in the vehicle front-rear direction. The handle locking device has a locking member and the top bridge includes a retaining recess on the rear face for detachable engagement with the locking member. The center part of the top bridge has a through hole for penetration of the steering stem and a storage recess that stores the upper end of the steering stem and the fastening member and is open toward the upper face of the top bridge. The storage recess continues to the upper part of the through hole while having a bottom that faces upward and is located between the through hole and the wall of the storage recess. The top bridge has a drainage hole connecting the storage recess and the retaining recess.

Headsets and head tube assemblies for vehicles are provided. A vehicle includes a steerer tube and a head tube. A headset rotatably connects the steerer tube and the head tube. The headset includes a coupling ring which includes a body and a central bore defined in and extending through the body. The coupling ring is connectable to and rotatable with the steerer tube. The headset further includes a cup which includes a body and a central bore defined in and extending through the body. The cup is connectable to and rotatable with the head tube. The headset further includes a damper assembly, the damper assembly including a first damper element rotatable with the steerer tube and a second damper element rotatable with the head tube, the first damper element and the second damper element in frictional contact with and rotatable relative to each other.