RETROSPEC Alloy Road Bike Wheels
|Place of Origin||Shenzhen CHINA|
|Brand Name||RETROSPEC /OEM|
|Certification||CE, RoHS, REACH,ISO9001|
|Model Number||RS-R4040 road 700c Wheelsets|
|Minimum Order Quantity||50PC|
|Packaging Details||1.Foam plastic packaging,carton packaging outside.2.Size: 78CM*19CM*68CM, two wheel into per carton.|
|Delivery Time||7-15 working days|
|Supply Ability||10000pc per month|
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|Brand||RETROSPEC /OEM||Model/Name||RS-R4040 Road 700c Wheelsets|
|Applicable Wheel Size||700C||Material||Aluminum Alloy|
|Weight||≈2.05KG(pair, 30mm)||Warranty||2 Years|
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Alloy is a combination of metals or a mixture of a metal with another element. It can be a combination of aluminum and magnesium or other metals or a metal and an element. Alloy wheels are made by casting and forging the metals or metal and other elements.
The wheels on your bike literally keep you moving and have a considerable impact on your ride quality. Sure the drivetrain will push you along, and the frame will also have a significant impact on ride quality, but the wheels are the first element of the bike to feel road vibrations, surface imperfections and changes in terrain.
One of the most important traits of a wheelset is its role in transferring your efforts on the bike to an outcome on the road, so matching the right wheels for your riding style is important, as is having a reliable set that still offers sound levels of performance.
A bicycle wheel consists of four main components, all of which have an influence on weight, performance, and durability. Upgrading (or downgrading) these components can affect the ride quality, your effort output (speed) and braking performance so it's worth knowing a little about each, and how that relates to improved performance on the road.
Rim: The wheel's rim sits on the outside of the wheel and has two main functions; to hold the tyre and provide a braking surface (for rim-brake bikes, not disc-equipped bikes). The rim width will affect the tyre width which could have a significant impact on rider comfort, and the material of braking surface will impact braking performance.
Hub: The hub sits at the centre and provides the axis of rotation. Within each hub, front and back, is the axle which attaches the wheel to the bike. On the rear wheel the hub features splines which a cassette attaches to. The bike's chain wraps around the sprockets of the cassette, and in association with the crankset and shifters, forms the bikes drivetrain which propels it forward. As well as propelling the bike forward, all road bike wheels (excluding fixed-wheel bikes) will use a rear hub with a 'freehub' mechanism which allows the bike to coast.
Spokes: Material that connects the hub and rim. The number of spokes will vary between front and rear wheels, the rear often featuring more spokes to improve strength and stiffness. More spokes typically means a stronger wheel but that comes with a weight penalty. Spokes are made from varying materials and come in different shapes to either optimise strength or improve aerodynamics, sometimes both. Most commonly spokes are made with steel wire, but can vary greatly in shape and diameter.
Nipples: Spokes attach to the wheel via a special nut called a 'nipple'. Nipples are important for adjusting spoke tension which will 'true' a wheel, making it straight when spun.
|Model/Name||RS-R4040 road 700c Wheelsets|
|Include parts||F.R wheels+Quick release+HQ inner Belt|
|Hub||RS, Alu alloy body with ultralight, F2-R4 sealed bearings, for road, Straight-pull, F18-R21 holes, O.L.D-F100 and R130mm, Slotted-drum tower to 8~11 speed|
|Rim||Al alloy with ultralight, Double-deck, W23*H30/40mm, FV, Matte black|
|Spoke||SHUNJIU, 14G, Steel, Flat, Straight-head|
|Wheel type||Aluminum alloy wheels|
|Rim height||40mm / 30mm|
|Certificate||CE CCC ISO9001|
Quality is our number 1 focus for the entire team.The design, injection, QA & packaging are all done in-house for efficiency and to standardized a high level of quality control.Warranty is 2 years under normal using(not man made damage).All of bikes and bike parts will be tested before shipping.If you received some not working can show the pictures to us or send it back to us to repair or replace.
Twitter is a high-end brand. Our product range from carbon bike, bicycle accessories and cycling equipment. Our factory covers area over 14000 square meter, with 150 employees, we can produce all type of bike up to 30000 sets monthly. we had 6 automatic electrostatic spraying line, pre-treatment, frame assembly equipment and other complete original German technology. Since its inception, it has quickly revolutionized the Chinese bicycle industry with original German technology, cutting-edge professionals and consistent German quality. TWITTER has developed into a comprehensive modern enterprise integrating R&D, production, sales and service. 90% of our products are exported to France, Italy, South Korea, Japan, Saudi Arabia,Russia, Iran, Thailand, Malaysia, Vietnam, Myanmar, Chile, Nepal,Angola,Colombia,Guatemala,Panama and other countries. With 12 years experience in bike industry, we can provide most professional and cost effective bike to our clients. our sales team always put customer satisfaction in first priority, support and help to growing our customers' business.