A rear wheel sprocket arrangement for a bicycle comprises a plurality of coaxially arranged sprockets having different numbers of teeth, wherein an entire gear range of the sprocket arrangement is at least three-hundred fifty percent (350%), and wherein an average percentage gear stage step lies within a range of fifteen percent (15%) to thirty percent (30%).

A rear wheel sprocket arrangement for a bicycle comprises a plurality of coaxially arranged sprockets having different numbers of teeth, wherein an entire gear range of the sprocket arrangement is at least three-hundred fifty percent (350%), and wherein an average percentage gear stage step lies within a range of fifteen percent (15%) to thirty percent (30%).

A bicycle hub assembly comprises a hub axle, a hub body, a sprocket support structure, and a brake-rotor support structure. The sprocket support structure includes a first torque-transmitting profile and a first externally-threaded portion. The first torque-transmitting profile is configured to transmit a rotational force between the sprocket support structure and a bicycle sprocket assembly. The first externally-threaded portion is configured to threadedly engage with a first internally-threaded portion of a first lock member. The brake-rotor support structure includes a radially external surface, a radially internal surface, and a second torque-transmitting profile configured to transmit a rotational force between the brake-rotor support structure and a brake rotor. The second torque-transmitting profile is provided on the radially external surface.

A bicycle hub assembly comprises a hub axle, a hub body, a sprocket support structure, and a brake-rotor support structure. The sprocket support structure includes a first torque-transmitting profile and a first externally-threaded portion. The first torque-transmitting profile is configured to transmit a rotational force between the sprocket support structure and a bicycle sprocket assembly. The first externally-threaded portion is configured to threadedly engage with a first internally-threaded portion of a first lock member. The brake-rotor support structure includes a radially external surface, a radially internal surface, and a second torque-transmitting profile configured to transmit a rotational force between the brake-rotor support structure and a brake rotor. The second torque-transmitting profile is provided on the radially external surface.

The disclosure relates to a derailleur for a bicycle, comprising a B-knuckle assembly which is designed for mounting on the bicycle frame, a P-knuckle assembly, a parallelogram assembly via which the B-knuckle assembly and the P-knuckle assembly are movably connected to one another, a cage assembly in which a chain guide pulley and a chain tension pulley are rotatably held, where the cage assembly is mounted on the P-knuckle assembly so as to be rotatable about a P axis, and an rotation angle detection device which is designed to detect and/or display an angle of rotation between the P-knuckle assembly and the cage assembly.

A bicycle derailleur includes a base element, a movable element having a receptacle and movably coupled to the base element, a rotary shaft mounted in the movable element in the receptacle to be rotatable about an axis of rotation, and a chain guide assembly rotatable relative to the movable element about the axis of rotation and which is coupled rotationally conjointly to the rotary shaft. An elastic force store device exerts on the chain guide assembly a preload force which preloads said chain guide assembly in a direction of rotation relative to the movable element. A damping device acts directly or indirectly between the movable element and the chain guide assembly and has a coupling device arranged radially within the first elastic force store device by which the damping device is coupled to a support, which is static in relation to the movable element, and the rotary shaft.

A bicycle derailleur includes a lower link member including a position-limiting structure, an external chain-guiding member, a damping shaft, a connection member and a C-shape spring. The external chain-guiding member, connected pivotally with the lower link member, controls a tension of a chain. The connection member is connected with the lower link member. The damping shaft, mounted at one side of the lower link member, is connected pivotally with the external chain-guiding member. The C-shape spring, sleeving the damping shaft, includes a C-clip portion and a first plate portion disposed between the connection member and the position-limiting structure. The first plate portion is extended outward from one end of the C-clip portion in a direction leaving the damping shaft. A friction force upon the external chain-guiding member in the direction to relax the chain is greater than that in the direction to relax the chain.

A bicycle derailleur includes a lower link member including a position-limiting structure, an external chain-guiding member, a damping shaft, a connection member and a C-shape spring. The external chain-guiding member, connected pivotally with the lower link member, controls a tension of a chain. The connection member is connected with the lower link member. The damping shaft, mounted at one side of the lower link member, is connected pivotally with the external chain-guiding member. The C-shape spring, sleeving the damping shaft, includes a C-clip portion and a first plate portion disposed between the connection member and the position-limiting structure. The first plate portion is extended outward from one end of the C-clip portion in a direction leaving the damping shaft. A friction force upon the external chain-guiding member in the direction to relax the chain is greater than that in the direction to relax the chain.

A drive arrangement for a bicycle may include a plurality of sprockets arranged at a rear wheel of the bicycle. The sprockets may be particularly arranged to have a spacing that facilitates the configuration of an increasing number of sprockets in the plurality of sprockets. A singular front sprocket or chainring may be used to drive the rear plurality of sprockets. A particularly configured tool may be used to configure the drive arrangement.

A drive arrangement for a bicycle may include a plurality of sprockets arranged at a rear wheel of the bicycle. The sprockets may be particularly arranged to have a spacing that facilitates the configuration of an increasing number of sprockets in the plurality of sprockets. A singular front sprocket or chainring may be used to drive the rear plurality of sprockets. A particularly configured tool may be used to configure the drive arrangement.