The so-called shaft drive iscoupling Transmission, including tooth insertgearThe transmission efficiency of flexible, universal coupling, quincunx coupling and other couplings is higher than that of any other transmission form. The main reason is that there is no relative sliding displacement, so there is no heat, and the efficiency can reach 99%.
Axle driven bicycles actually date back to the early 1990s.However, modern shaft drives have been in production for nearly 15 years.We use the third generation shaft drive.However, until recent years, due to the limited popularity of axle driven bicyclestransmission。 With Simano's advanced 7-speed and 8-speed internal gear center, our bicycles provide many kinds of gears without external moving parts.
advantage
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Shaft drive has many advantages, but many people take it for granted that the intersecting shaftgear driveLow efficiency, which is intuitive, but there isMechanicsPeople with common sense know that the transmission efficiency of commonly used hypoid bevel gears is about 95%, and that of the closed type will be higher. Two pairs of hypoid bevel gears should be used on bicycles, and the efficiency is about 90%.The efficiency of the chain seems very high, in fact, it is generally about 90%. Bicycles use open chain, which is relatively lower. In addition, the efficiency of the chain decreases with the chain lengthening, so the efficiency of the shaft drive is absolutely equalChain drive。
Product features
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Here we take bicycle as the carrier to analyze the characteristics of shaft transmission.
1. Easy to operate: simple torsion control transfer is convenient, responsive and operates independently, so you can change the way at any time, even when completely stopped.
2. More safe: no chain falls off, no chain bites clothes.
3. Cleaning: The shaft and gear are completely enclosed, without oil, grease, contact hands or clothing.
4. Lower maintenance: fully enclosed, durable bevel gears are free from impact.
5. Smooth: Liquid transfer and cogging transmission combine to create smoother cycling and transfer.
6. Easy to transport: easy to load and unload, no chain, no grease on hands and clothes.
7. Lower inherent costs: increased durability and significantly reduced maintenance schedules mean less service and maintenance costs.
