A bicycle derailleur adjusting apparatus for adjusting a bicycle derailleur includes a controller. The bicycle derailleur includes a base member adapted to be mounted to a bicycle, a movable member, a linkage coupled between the base member and the movable member, and an actuator configured to move the movable member of the bicycle derailleur among a plurality of derailleur positions. The controller is configured to control the actuator based on a travel value indicative of a travel distance of the movable member between adjacent derailleur positions to update the derailleur positions of the movable member.

A bicycle gear shift control system capable of avoiding frequent gear shifting includes: a power module; a microcomputer electrically connected to the power module for allowing a cyclist to switch between the automatic gear shifting mode and a manual gear shifting mode; a gear shifting driver electrically connected to the microcomputer, substantially connected to a derailleur, and instructed by the microcomputer to drive the derailleur to perform gear shift control; and a manual shifting controller electrically connected to the microcomputer. The microcomputer has an automatic gear shifting logic whereby the microcomputer determines the timing of automatic gear shifting and performs gear shifting. The microcomputer further has a gear shifting delay logic that involves delaying for a delay time interval from commencement of gear shifting according to a gear shifting criterion and ruling out all other gear shifting commands during the delay time interval.

A rear bicycle sprocket for use with a multi-gear rear cassette is provided. The sprocket includes a chain engaging portion and a mounting portion having generally annular shape about a central axis and a plurality of support arms, integrally formed with the chain engaging portion and with the mounting portion. The sprocket further includes a plurality of space maintaining protrusions, each space maintaining protrusion extending axially forwardly from an axially forward surface of a corresponding support arm and integrally formed therewith. A multi-gear rear cassette having a plurality of sprockets coaxially mounted together wherein the plurality of sprockets includes the rear bicycle sprocket mounted axially rearmost and a bicycle including the multi-gear rear cassette are further provided.

A method for electronically controlling a bicycle gearshift comprising at least one derailleur is disclosed, comprising the sequential steps of: a) imparting a movement on the derailleur of the gearshift until the derailleur is in an intended position;b) waiting for a predetermined time period,c) performing a check whether the derailleur is in the intended position, within a possible predetermined tolerance,d) in case said check has a negative outcome, imparting a movement on the derailleur of the gearshift until the derailleur is in the intended position. A derailleur and an electronically servo-assisted bicycle gearshift comprising control electronics comprising modules adapted to carry out the method outlined above are also disclosed.

A derailleur device, particularly a rear derailleur, includes at least one locking device for locking a chain guide at least in one locking position that is different from the starting position in relation to a movable element, and it is provided therein that the locking device includes a locking element displaceable between a passive position, in which the chain guide is released in relation to the movable element, and at least one active position, in which the chain guide is held in the at least one locking position.

A bicycle rack for arrangement on the rear end of a motor vehicle in an extendible fashion is provided. The bicycle rack includes a carrying frame, a slide-in element that is displaceably arranged in the carrying frame, and a carrier element that is pivotably arranged on the side-in element.

A bicycle saddle comprising: a supporting frame (2), set up for connecting the saddle to a seat post; a resting base (3), connected to the supporting frame (2) and intended for transmitting the weight of the cyclist to the supporting frame (2), which is provided with a front portion (31) and with a rear portion (32); a cover (4) that covers the resting base (3) and is intended for defining the surface of contact with the cyclist; a shock-absorbing anti-sliding insert (5), interposed between the resting base (3) and the cover (4), which protrudes at least partially from the cover (4) through an opening (41) made on the cover (4).

A bicycle seatpost includes a first part and a second part. A curvature radius of the first part is r1, and an arc length of the first part is equal to or greater than πr1 and smaller than 2πr1, the first part is set toward a head of a bicycle. The second part is connected to the first part, wherein a curvature radius of the second part is greater than the curvature radius of the first part, the second part is set toward an end of the bicycle.

An embodiment of the invention includes a three-component rear-wheel suspension system for interconnecting to a bicycle frame and a shock absorbing device. The three components are an upper stay pivotally attached to the frame, a lower stay having a rear wheel mount and pivotally connected to the upper stay at a location generally above the rear wheel mount, and a link pivotally connected to the frame at a location below where the upper stay is attached to the frame and pivotally coupled to the lower stay. The general arrangement of the linkages between the three components permit compression of the suspension system (i.e. relative upward movement of the rear wheel) with limited chainstay lengthening.

A foldable bicycle comprises a frame having a rear portion supporting a rear wheel about a rear axis of rotation, a front portion supporting a front wheel about a front axis of rotation and a hinge system. The hinge system comprises a first part arranged on the rear portion and provided with a first plane surface, and a second part arranged on the front portion and provided with a second plane surface. Inside the first and second parts an actuator mechanism is arranged for actuating a stud that locks or unlocks said parts. The first plane surface and the second plane surface are disposed in a plane that is slightly inclined relative to a horizontal plane, said inclined plane being configured to facilitate pivoting of the front portion relative to the rear portion towards a folded position, in which the rear and front axes of rotation are in alignment.

A bicycle pump includes a pump body assembly, a handle assembly, a flexible hose assembly, and/or a magnet. The pump body assembly may include an outer tube, which defines an air chamber, and a head assembly with an air outlet opening. The handle assembly may slidably be associated with the body assembly, and include an inner tube and a piston, slidable inside the outer tube. The flexible hose assembly may be suitable to be stored inside the inner tube when the pump is not in use, and suitable to be connected to the air outlet opening during pumping. The magnet may connect the flexible hose assembly to the air outlet opening of the head assembly in a removable manner.

Bicycle tires with at least one reinforcement layer that contains strength supports and that is arranged between carcass and tread rubber and/or between carcass layers below the tread rubber and/or within the tread rubber. For a high resistance to puncturing with low weight, the reinforcement layer contains multifilament threads of more than 30 polyester/polyarylate filaments, and the filaments are spun from molten liquid-crystal polymer.

The invention relates to bicycle work stands for making repairs and changing and mounting tubeless tires. There is provided a one-sided wheel work stand with a pivotal upper wheel bracket which allows the user to work unobstructed on the wheel and then acts as a device to lay the wheel flat for better sealing. In related embodiments, the work stand is configured to assist a user in adapting 32 mm 15 QR axle hubs and in truing a bicycle wheel while attached to the work stand.

A bicycle bag protects a bicycle while the bicycle is secured to a rack, such as a vehicle bicycle rack. The bicycle bag includes resealable openings configured to allow the bicycle (and bag) to be securely attached to a wide variety of different rack types. Additionally, because there is risk of obscuring the tail lights of a vehicle for rear-mount racks when a bicycle bag is on the bike and the bike on the rack, the bicycle bag includes pockets designed to support a tail-light system that can be connected to the vehicle to provide additional lighting and safety.

A durable yet flexible protective bicycle cover is disclosed. The protective cover having properties of insulation from damage, wear, elements, dust and dirt, and the like. The protective cover further includes means for carrying a bicycle while within the cover, means for pushing a bicycle while within the cover, means for lifting a bicycle to and from a motor vehicle while within the cover, and means for transforming the cover into a backpack.

A spring-based mechanism for saving labor of a bicycle rider is disclosed and in one embodiment includes an axle operatively connected to a chain wheel and a first set of bearings via a gear assembly; a housing for mounting a shaft therein wherein the first set of bearings is provided at one end of the shaft; a second set of bearings provided at the other end of the shaft; a spring in the housing and having one end attached to one end of the shaft and the other end attached to the other end of the housing; and a clutch provided externally of the other end of the housing, the clutch being operatively connected to the second set of bearings and including a lock lever. The mechanism can store elastic force by counterclockwise pedaling and release the stored energy by disengaging a clutch from the mechanism when riding uphill.

Disclosed is a bicycle for water and land including: a first floating means, which is provided on and rotates with a front wheel frame that rotates in conjunction with a handlebar, for unfolding on both sides by means of buoyancy to buoy the front wheel frame when entering water; a second floating means, which is provided on a rear wheel frame, for unfolding on both sides by means of buoyancy to buoy the rear wheel frame when entering water; and propellers, which are provided on a plurality of spokes that are installed on the rear wheel frame so that the surfaces face the direction in which the rear wheel rotates, for generating propelling force in water.

A bicycle handle assembly for a handlebar contains a body including a peripheral fringe and a side fringe connected together to define a receiving space. The receiving space includes a first side and a second side. The peripheral fringe includes a first engaging portion, a first connecting portion and a fixing portion connected with two ends of the first engaging portion. A movable retaining member is installed in the receiving space and includes a second engaging portion, a second connecting portion and a moving portion connected with two ends of the second engaging portion. The second connecting portion is used to connect with the first connecting portion of the body. A locking element is used to force the moving portion toward the fixing portion of the body, so that the external fence of the handlebar is retained tightly between the first engaging portion and the second engaging portion.

A method for mounting a flexible tube associated with braking hydraulics on a bicycle between a braking control member and a braking member. The method provides a mounting cable for use in locating the flexible tube within a bicycle frame element while the ends of the flexible tube are exposed so a respective end can be connected to the control member and the braking member. The method simplifies the insertion process and reduces damage to the flexible tube. A tool for inserting the flexible tube is also provided.

The invention relates to a pad for a bicycle disc brake, comprising a support frame and an element made of friction-wearing material associated with said support frame. The element made of friction-wearing material comprises a visual wearing indicator, which preferably is defined on an upper portion of the element made of friction-wearing material, more preferably at a side end area of said upper portion. The invention also relates to a bicycle disc brake comprising a pair of pads of the type described above.

A bicycle fork includes a pair of fork leg assemblies, each of the leg assemblies having an upper leg telescopingly engaged with a lower leg. A damping assembly is provided in at least one of the legs. The damping assembly includes lock-out and blow-off compression circuits. These compression circuits are externally adjustable without tools. Furthermore, these two compression circuits may be adjusted independently of each other.

The victim usually frequented the San Tan Mountain trails on a bicycle at night for the lower temperatures, according to MCSO officials.

The TRB Standing Technical Committee on Bicycle Transportation has been in existence for about 45 years, founded in 1974 as the Bicycling and Bicycles Committee. We had an early name change to the Committee on Bicycling and Bicycle Facilities shortly after our birth and became the Bicycle Transportation Committee in 1996. The committee's existence closely parallels the history of bicycle transportation research in the United States. Very little was done prior to the mid-1970s, when a surge of interest in...

Cyclists and noncyclists have a wide range of perceptions of on-street bicycling facility designs — including sharrows, bike lanes, and buffered bike lanes — along a variety of roadway types, with and without curbside automobile parking. The TRB National Cooperative Highway Research Program's NCHRP Research Report 941: Bicyclist Facility Preferences and Effects on Increasing Bicycle Trips provides insights from communities where on-road cycling for transportation is less common, particularly in the South...

We need to go greener!

An AI chip designed to mimic certain aspects of the human brain has given a bicycle an unprecedented level of autonomy.

In Ann Arbor, Mich., the creators of a new autonomous vehicle have designed their robot to operate on local streets — but more so like a bicycle than a car.

Cycling in Tuscany, Italy

Researcher: Jim Papadopoulos, Northeastern University
Description: Jim Papadopoulos talks about his years of research analyzing bicycles.

To evaluate bicycle passing distances in the Australian Capital Territory (ACT), specialised passing distance measurement devices (PDMDs) were installed on a sample of 23 cyclists who ride in the ACT. Passing distance data and GPS data was collected by cyclists using the PDMDs for a four week period, during a trial phase of a newly legislated minimum passing distance (MPD) rule The MPD rule requires drivers to provide more than 1 metre of space when passing a cyclist on a road with a speed limit of 60 km/h or below, and 1.5 meters of space when passing a cyclist on a road with a speed limit above 60 km/h.-- Abstract.

Ride 2 Transform takes its third tour of southern Malawi for ministry and support.

Massive distribution efforts by OM teams in Bangladesh over more than 10 years sowed gospel seeds and made the Bengali New Testament a #1 best seller.

Title: Health Tip: Fitting a Bicycle Helmet
Category: Health News
Created: 4/29/2015 12:00:00 AM
Last Editorial Review: 4/29/2015 12:00:00 AM

Australia’s peak representative body for cyclists has called on governments to transform roads into cycleways to ease traffic on bike paths

Australian bike retailers are struggling to keep up with the boom in sales since coronavirus restrictions came into force last month.

“We’re the new toilet paper and everyone wants a piece,” Grant Kaplan, manager of Giant Sydney, a bike store in Sydney’s CBD, tells Guardian Australia.

Among music festivals, Bonnaroo is the juggernaut, and this year is was bigger than ever with 80,000 people descending on Manchester, Tennessee. One of the innumerable artists to preside over the festival's many stages (which included sitting in with My

Whenever my husband asks me to "pick up a couple of bottles of wine" while shopping, I get surly. My favorite bike panniers are, without exception, NOT well equipped to handle heavy, glass bottles that may shift in

By some oversight we’ve missed the opportunity to alert readers to the International Bicycle Film Festival of 2007 until now. After it has already blitzed 13 cities worldwide, it finds itself skidding to a halt for a few weeks in Australia.

...or does this augur the final breakdown of civilization?

A modern but retro-flavored makeover for the endearing bicycle rickshaw by Filipino designer Kenneth Cobonpue.

The basketball star has a soft spot for bikes, which he says gave him important freedom as a kid.

The kit includes an LED headlight and tail light and a rugged case that attaches a smartphone to the handlebars.

As a result of half a century of planning, Copenhagen has achieved a fabulous cycling goal - during the morning rush hour more bikes and mopeds pound the inner city streets than personal cars and buses. Just a bit more than a third of inhabitants get

Sure, a bicycle can replace your car -- but as Frank Zappa demonstrates, it could replace your drum-set, too.

If You're in San Diego this Weekend... You love bikes? You really love bikes and you're near San Diego? Well then, you've got to check out the 2009 San Diego Custom Bicycle Show! It takes place this weekend on April 3rd, 4th and 5th. Of course, best not

Guim Valls Teruel is travelling 5 continents on an electric bicycle to promote the use of cleaner energy and the non-reliance on fossil fuel worldwide. Currently in New Zealand, the Electric Bicycle World Tour has already clogged quite a lot of mileage

It's a miracle of sorts, transforming a pile of sticks into a traveling machine.

Tipster Peter S. was equally bemused by our mention of the petroleum powered bicycle jetpack. So much so, he thought one good turn deserved another. Thus we’ve now discovered the MobiBke. Take one foldable full performance Dahon ZeroG mountain bike

We've all heard it — "this city" or "that city" has more bicyclists because it has warmer weather. Looks like it's time to retire that statement.