A non-pneumatic tire intended to be mounted on a rim and fitted to a lightweight vehicle, namely an assembly (A) for a tire, made up of a tire element (1) and of a clamping insert (9), and able to be wound onto a rim. To increase the load-bearing capability, the tire element (1) has two stiffening portions (6) at least partially not joined together, and each stiffening portion (6) extends in the open main interior cavity (5), from a transition zone between the bead (4) and the sidewall (3) as far as the vicinity of the middle of the crown (2), and delimits, with a portion of tire element (7) facing the stiffening portion (6), a closed secondary interior cavity (8). The clamping insert (9) may be a tape, with two transverse edges (91) inserted in the respective longitudinal grooves (41) of the two beads (4) of the tire element (1) so that to apply a clamping force to the two beads (4).

An air deflector that is at least partially disposable within a tubeless tire of a bicycle wheel includes a body. The body includes at least one wall defining an air input end and an air output end of the body. The body is attachable to a valve of the tubeless tire at the air input end, such that when air is introduced into the body via the valve, at least some of the air is deflectable by one or more walls of the at least one wall out of the body at the air output end.

Elastomeric composition for producing tire components comprising, based upon parts by weight per 100 parts by weight of rubber (phr): (A) 100 phr of a blend of rubber comprising at least 20% by weight of an isoprene polymer; (B) from 0 to 30 phr of silica; (C) from 0 to 50 phr of amorphous carbon black; (D) from 1 to 40 phr of graphene,
wherein the graphene consists of graphene nanoplatelets, wherein at least 90% have a lateral size (x, y) from 50 to 50000 nm and a thickness (z) from 0.34 to 50 nm, wherein the lateral size is always greater than the thickness (x, y>z), and wherein the C/O ratio is 100:1.

A pressure measuring device for a bicycle has a housing that includes a pressure chamber. The pressure chamber has a valve disposed in a first opening and a second opening into or out of a tire assembly volume of a tire assembly. A sense element is in pressure communication with the pressure chamber along a flow path between the first and second openings.

Provided is an insert for a tire, capable of being fastened together with a rim and a tire, the insert including a flow path connecting an upper surface and a lower surface of the insert.

An inflation system for tubeless bicycle tires may include a valve, a sealant canister, a pump head, and/or a valve core adapter. The valve, sealant canister, and pump head may collectively facilitate sealant injection into a tire by a user. The valve has an external valve seat, and includes a valve body, a valve stem extending through the length of the valve body, and a retaining mechanism for the valve stem disposed interior to the valve body. The valve stem is configured to move relative to the valve body, such that a resilient seating surface disposed at a proximal end of the valve stem is displaced relative to a valve seat formed by an exterior surface of a proximal end of the valve body.

A bicycle tubeless tire includes a tread and two sidewalls are formed on two sides of the tread. Each sidewall has a lip formed on the distal edge thereof. An installation unit is integrally formed with each lip. Each lip includes an inside, an underside and an outside. The underside and the outside of each lip are engaged with an engaging portion at the inner bottom of the rim when the tire is installed to the rim. The lips do not shift by the engaging portions of the rim. Each of the underside and the outside is a flat side such that the contact area between the lips and the rim is increased to have better air-tight features. The outer face of each lip is a flat face to be installed to the rim without flanges. The deformation of the sidewalls of the tire, and the wind resistance are reduced.

To provide a tire for a two-wheel vehicle in which wear resistance performance, dry gripping performance, and wet gripping performance are highly balanced. A tire for a two-wheel vehicle including a pair of bead portions, a pair of sidewall portions, and a tread portion continuous with the both sidewall portions, with the tread portion being divided into five portions in a surface of the tread portion by a central portion including a tire equatorial plane, a pair of edge portions including respective tread edges, and a pair of shoulder portions lying between the central portion and the respective edge portions in a tire width direction, wherein each of rubber of the central portion, rubber of the shoulder portions, and rubber of the edge portions contains a rubber component, and when a peak temperature of a loss tangent tan of the central portion is represented by T.sub.p-C, a peak temperature of a loss tangent tan of the shoulder portions is represented by T.sub.p-S, and a peak temperature of a loss tangent tan of the edge portions is represented by T.sub.p-E, T.sub.p-C, T.sub.p-S, and T.sub.p-E satisfy the formula (1): T.sub.p-S>T.sub.p-E>T.sub.p-C.

A foldable tire includes a tire main body provided at two edges thereof with two tire beads respectively. A plurality of rings are disposed in each of the tire beads. Each of the rings has a reinforcing core, which includes a plurality of flexible steel filaments helically entwined with each other and has a diameter ranging from 0.2 millimeters to 0.5 millimeters, and a cladding layer clothing the reinforcing core, so that the reinforcing cores located in each of the tire beads are separated from each other.

A non-pneumatic tire may include a polyurethane matrix and expanded thermoplastic elastomer particles. The non-pneumatic tire has 60 to 90 wt. % of the polyurethane matrix and 10 to 40 wt. % of the expanded thermoplastic elastomer particles. The non-pneumatic tire may be produced in a production method. The non-pneumatic tire may be used in a low-speed vehicle.