Abstract: A bicycle handlebar assembly comprises a base bar, a v-shaped stem selectively removable from the base bar, and a bicycle fork assembly. Control cables from the bicycle may be routed from the base bar into hollow diverging stem members of the v-shaped stem. The bicycle fork assembly comprises an external-steerer fork having a load-bearing member and a preload tensioning rod. The preload tensioning rod fits within a head tube of the bicycle, and a hollow space around the preload tensioning rod accommodates control cables passing from the v-shaped stem into a hollow portion of the bicycle frame. The v-shaped stem is secured against the base bar by a pair of nut plates. In some examples, an engagement portion of an accessory such as an aerobar extension assembly is configured to secure the v-shaped stem and an aerobar extension against the base bar.

Abstract: A bicycle handlebar assembly comprises a base bar, a v-shaped stem selectively removable from the base bar, and a bicycle fork assembly. Control cables from the bicycle may be routed from the base bar into hollow diverging stem members of the v-shaped stem. The bicycle fork assembly comprises an external-steerer fork having a load-bearing member and a preload tensioning rod. The preload tensioning rod fits within a head tube of the bicycle, and a hollow space around the preload tensioning rod accommodates control cables passing from the v-shaped stem into a hollow portion of the bicycle frame. The v-shaped stem is secured against the base bar by a pair of nut plates. In some examples, an engagement portion of an accessory such as an aerobar extension assembly is configured to secure the v-shaped stem and an aerobar extension against the base bar.

Abstract: A bicycle handlebar assembly comprises a base bar, a v-shaped stem selectively removable from the base bar, and a bicycle fork assembly. Control cables from the bicycle may be routed from the base bar into hollow diverging stem members of the v-shaped stem. The bicycle fork assembly comprises an external-steerer fork having a load-bearing member and a preload tensioning rod. The preload tensioning rod fits within a head tube of the bicycle, and a hollow space around the preload tensioning rod accommodates control cables passing from the v-shaped stem into a hollow portion of the bicycle frame. The v-shaped stem is secured against the base bar by a pair of nut plates. In some examples, an engagement portion of an accessory such as an aerobar extension assembly is configured to secure the v-shaped stem and an aerobar extension against the base bar.

Abstract: A bicycle handlebar assembly comprises a base bar, a v-shaped stem selectively removable from the base bar, and a bicycle fork assembly. Control cables from the bicycle may be routed from the base bar into hollow diverging stem members of the v-shaped stem. The bicycle fork assembly comprises an external-steerer fork having a load-bearing member and a preload tensioning rod. The preload tensioning rod fits within a head tube of the bicycle, and a hollow space around the preload tensioning rod accommodates control cables passing from the v-shaped stem into a hollow portion of the bicycle frame. The v-shaped stem is secured against the base bar by a pair of nut plates. In some examples, an engagement portion of an accessory such as an aerobar extension assembly is configured to secure the v-shaped stem and an aerobar extension against the base bar.

Abstract: A bicycle handlebar assembly comprises a base bar, a v-shaped stem selectively removable from the base bar, and a bicycle fork assembly. Control cables from the bicycle may be routed from the base bar into hollow diverging stem members of the v-shaped stem. The bicycle fork assembly comprises an external-steerer fork having a load-bearing member and a preload tensioning rod. The preload tensioning rod fits within a head tube of the bicycle, and a hollow space around the preload tensioning rod accommodates control cables passing from the v-shaped stem into a hollow portion of the bicycle frame. The v-shaped stem is secured against the base bar by a pair of nut plates. In some examples, an engagement portion of an accessory such as an aerobar extension assembly is configured to secure the v-shaped stem and an aerobar extension against the base bar.

Abstract: A head tube assembly suitable for a bicycle and comprising an open steerer configuration and cable routing. The head tube assembly comprises a head tube configured to connect with the top tube and down tube of the bicycle. The head tube includes a lower bearing component and an upper bearing component configured to rotatably engage the fork assembly. The fork assembly comprises an external steerer configured to rotate externally to the head tube. The head tube assembly includes an upper steerer section configured to secure the external steerer, and an internal chamber configured with an aperture for receiving one or more cables and being coupled to the top tube or the down tube. The internal chamber includes one or more guide tubes configured to route the cable(s) through the interior portion of the top tube or the down tube.

Abstract: A head tube assembly suitable for use with a bicycle or similar wheeled vehicle. The head tube assembly comprises a head tube configured for adjoining to a top tube and to a down tube in a bicycle frame. The head tube includes a lower bearing component and an upper bearing component, the lower and upper bearings being configured for rotatably engaging a fork assembly. The fork assembly comprises an external steerer configured to rotate externally to the head tube. The head tube assembly includes an upper steerer section configured to secure the external steerer; and an internal chamber configured with an aperture for receiving one or more cables, and the internal chamber is coupled to the top tube or to the down tube for routing one or more cables through the interior space of the top tube or the down tube.

Abstract: A head tube assembly suitable for a bicycle and comprising an open steerer configuration and cable routing. The head tube assembly comprises a head tube configured to connect with the top tube and down tube of the bicycle. The head tube includes a lower bearing component and an upper bearing component configured to rotatably engage the fork assembly. The fork assembly comprises an external steerer configured to rotate externally to the head tube. The head tube assembly includes an upper steerer section configured to secure the external steerer, and an internal chamber configured with an aperture for receiving one or more cables and being coupled to the top tube or the down tube. The internal chamber includes one or more guide tubes configured to route the cable(s) through the interior portion of the top tube or the down tube.