Quick release bike axle

The advent of large wheels demanded greater rigidity in the fasteners and thus the thru axle was born, quick release bike axle. These pins are threaded directly into the frame dropouts or parts of them and provide greater rigidity and more secure fastening. As for the rear wheel, the first versions used mm wide pins.

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Quick release bike axle

One common confusion involves getting your bike mounted onto your smart trainer. Specifically, riders who purchase a direct-drive trainer must figure out how to connect their frame to the trainer properly. But never fear. Quick release was the standard axle used on most bikes for decades. Two small springs sit on either side of the hub. Quick releases are cheap and allow you to easily remove and replace wheels quickly without any tools. Frames that use quick-release levers have slots for the wheel axles to slide into, vs holes used by thru axles setups. Thru axles are a newer technology, having arrived on the scene in the early s as mountain bike frames became stronger and disc brakes demanded better performance from wheel axles. A thru axle is a thick pin with threads on one end. These adapters typically ship with your direct-drive smart trainer and are labeled for easy use. Axle length is measured from the inside of the frame where the quick release dropouts or thru axle holes are found. Frames using quick releases are typically mm or mm wide at this measurement point, while thru axle frames are typically mm or mm wide. For quick-release users, once you have your frame mounted on the trainer, hand-tighten the quick-release before clamping down the lever to finish the installation. Important notes:.

Sorted by Relevance. Quick Release Quick release was the standard axle used on most bikes for decades.

The quick-release axle rapidly replaced screwed bolts on axles and became the standard method used to hold bicycle wheels in place for the majority of road bikes although you still find bolted axles on fixies, singlespeeds and track bikes and formed the basis for the Campagnolo brand. Here, we'll explain why and provide an explanation of the many complexities of road bike axles. A quick-release wheel has a hollow axle, 9mm in diameter at the front and 10mm at the rear, with a 5mm-diameter skewer that passes through it. Until disc brakes on road bikes became commonplace, all road bikes used rim brakes and they all had front axles that were mm wide and rear axles that were mm wide. When disc brakes were introduced, there was a need to increase the width of the rear axle to accommodate the disc brake rotor , so rear axle width increased to mm while the front axle remained at mm.

In the world of bicycles, bike components like axles and releases are crucial for the optimum performance and safety of the cyclists. Before you set out on your cycling adventure, it is essential to understand the differences between bicycle thru axles and quick releases. In this design, the axle is threaded and it runs through the hub, attaching directly to the bike frame, thus creating a more rigid structure and better handling of forces during biking, which results in improved performance and safety. Contrary to the thru axles, Quick Releases involve a design where the axle is held in place by a tensioning system. The quick release mechanism consists of a lever, a nut, and a skewer. When the lever is flipped, it enables a quick and easy removal and installation of the wheel, without the need for tools.

Quick release bike axle

Are you baffled by the different axle options available for mountain bikes? Our guide below explains the common types of mountain bike thru-axles, as well as traditional quick-release axles. Like many bike-related things, axle standards seem to be subject to continual change, with new ones emerging, gaining traction, then sometimes falling by the wayside as tech trends move on. The main reason for this with mountain bike axles is the drive to build more robust wheels. The chainline needs to be engineered to run efficiently too, which means moving the chainset and cassette ever further outboard as axle width increases. Plus the chainstays need to be splayed out more to fit a wider axle, which increases the risk of heel strike as you turn the pedals. For mid-range and higher-spec XC, trail and enduro bikes , thru-axles with Boost spacing are now the norm. Super Boost is the latest thing and downhill bikes use wider spacing too. Meanwhile, Cannondale has its Ai system, which addresses the same problem in a different way.

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Cookies are used to show you targeted content, including advertising, and to optimise our website. Price alert accepted, extremely fast contact, fast shipping and good packing. Thru Axels The advent of large wheels demanded greater rigidity in the fasteners and thus the thru axle was born. If you do need a replacement, many thru-axles have their axle spacing, thread pitch and overall length stamped on them, which makes hunting down the correct one a bit easier. Thru axles are a newer technology, having arrived on the scene in the early s as mountain bike frames became stronger and disc brakes demanded better performance from wheel axles. Support This Site. Important notes:. Wheel positioning in the frame is much more precise than with a quick-release system because the wheel cannot be installed wonkily. We evaluate the success of our newsletter to continually improve it. At one end, the skewer has a threaded adjusting nut, while the other end has a head containing a lever that operates a cam. A Boost front axle is mm long and 12mm wide, while a rear axle is x12mm. The quick-release axle rapidly replaced screwed bolts on axles and became the standard method used to hold bicycle wheels in place for the majority of road bikes although you still find bolted axles on fixies, singlespeeds and track bikes and formed the basis for the Campagnolo brand. The advent of large wheels demanded greater rigidity in the fasteners and thus the thru axle was born. So far, so good. Here, we'll explain why and provide an explanation of the many complexities of road bike axles.

The quick-release axle rapidly replaced screwed bolts on axles and became the standard method used to hold bicycle wheels in place for the majority of road bikes although you still find bolted axles on fixies, singlespeeds and track bikes and formed the basis for the Campagnolo brand.

You May Also Like. Thanks to comfort cookies, we are able to provide links to social media platforms. In a thru-axle system, the dropouts are closed, rather than featuring an open end. Better Performance. The quick-release axle rapidly replaced screwed bolts on axles and became the standard method used to hold bicycle wheels in place for the majority of road bikes although you still find bolted axles on fixies, singlespeeds and track bikes and formed the basis for the Campagnolo brand. A thru axle is more suitable for disc brakes because of the precision involved in tightening them. Newest Featured Posts. Move Comment. A Boost front axle is mm long and 12mm wide, while a rear axle is x12mm. Some levers incorporate a quick-release mechanism, which is closed to give you the final bit of tightening on the frame but loosens pressure quickly for easier unscrewing.