Why chainless bicycles is a failure?

2,220 Views Updated: 10 Mar 2018
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Why chainless bicycles is a failure?

With the recent advancement of technology, there are several things that have made an impact on our day to day activities. Some technologies, some social and some general reforms are adopted by people due to this technologically advanced age. One such case is the creation of chainless bicycle. The topic creates a lot of curiosity as riding a bicycle has to be a weary task involving chain. But with the recent launch of bicycles without chain, this weary task seems to have been completely taken care of. But still, due to some reasons or the other, this trend seems to be a complete failure. Let us examine the reasons in details.

A chainless bicycle is a technological advance form of a bicycle that can transmit the efforts to driving the wheel without using a metal chain. This technology has been dated back in 1898 and is referred to as Hid click’s Chainless Bicycle gear. Then there are Hydraulic Bicycles, Shaft Driven, Belt Driven and String bikes or the pulley bikes which were discovered by a bunch of designers in Hungary and has been quite a lot simpler, safer and smoother. But still, the trend has not been able to catch up with good pace.

BELTS DRIVEN - A chainless form of a bicycle that uses toothed synchronized form of a belt to transmit mechanical power to the wheels through pedals. In the commuter bicycle market section, it is popular because of the fact that it has low maintenance and lubrication fee advantage. But still, a lot of disadvantages follows:

• Belts are difficult to open and close unlike in the case of chains. Thereby making it quite impossible to fit into one standard diamond frame. If someone wants to do so, the frame has to be cut open since the belt has to be looped through the right seat stay and seat tube.

• Derailleurs cannot be used in case of belts driven bicycles. Derailleur gears are used in bicycles with chains consisting of multiple sprockets of variable size and a chain that helps the rider to ride the bike easily in terrain surface. Thus reducing the workload. On the other hand, in the case of belt bicycles, an internal gear hub is used if one requires multiple gears.

• Belts bend instead of whirling, creating a misery for the riders.

• The length of the belts come in limited sizes. At instances, these belts come with a design that is accommodated with that of the frame.

SHAFT DRIVEN - This kind of bicycles uses a drive shaft in place of a chain. Introduced from over 100 years ago, this initially proved better than the normally chained bicycles. But with the course of time due to the varied changes of sprockets and derailleur in the chained range of bicycles, this form has lost its pace. Until the recent advancements in technology, it has improved the production and selling of shaft driven bicycles. Some of the major demerits of shaft driven bicycles are:

• A heavier frame construction is needed in case of shaft bicycles, especially around the bevel gears so that a precise alignment is maintained around the load. This results in a much heavier driven system with a lot of manpower needed to control than that of a normal chain driven bicycle.

• The small size of the gears present in shaft driven bicycles increases a lot of stress on the overall support system of the shaft. Sometimes this problem is enhanced because the stress from the shaft drive is not perpendicular to the frame of the bicycle causing resistance related problem. The smaller size of the gears with respect to sprockets is done because of clearance issues.

• Shaft driven bicycles are more complex to dismantle as compared to chain driven when repairing the rear tires. Thus increasing the overall maintenance of the bicycle

STRING BIKES - The recently launched string bike model in 2010 by Hungarian designers are comparatively efficient than other chainless bicycle models. Unlike several speed gears or derailleur in chained bicycles, there is no slippage in string bicycles when changing gears. And a string bike uses 19 gear systems, with a total gear range of 3.5 to 1. These gear ratios can be changed when the particular bicycle is stable. Although string bikes are beneficial, chained bikes are always preferable among riders because of the variety of benefits it offers.

A Chained Bicycle is-

• Reliable
• Durable
• Adjustable
• Lighter
• Cheap
• Has a wider number of gear ratios
• Low maintenance

Considering the above-said facts, it is quite clear as to why chainless bicycles are a complete failure in recent times. Provided the much benefits they are offering, chainless bicycles still are not being able to catch up with the users. The chain driven bicycles were a ruler before and still dominate the markets.

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Posted by: Amrut Mangaraj Posts: (92) Opinions: (139) Points: 8,450 Rank: 7
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