Standard Road Bike Fork Width

Some wheels and forks have swappable end caps or dropout inserts allowing for the use of either 12 or 15mm front thru axles.

Standard road bike fork width.

The longest the tange crmo tig unicrown fork can be found on many production road bikes made in the mid 1990 s. Mountain bikes mostly use a 15x100mm front thru axle and you might still find a few road bikes that adopted that standard early on but 12 100 is more future proof for road. Bicycle forks usually have an offset or rake not to be confused with a different use of the word rake in the motorcycle world that places the fork ends forward of the steering axis this is achieved by curving the blades forward angling straight blades forward or. The spacing of a frame fork is measured from the inside surfaces of the forkends dropouts where they come into contact with the locknuts of the wheel s axle.

Tyre widths available for the 700c 622mm size standard vary from 18 to 47mm with popular widths such as 23 25 and 28mm in the mix. 135qr was originally a rear hub standard until fat bikes came along and flipped everything upside down and sideways. The shortest the tange 7b crmo is brazed with a traditional semi sloping crown and represents what for many years was the standard brazed steel fork. Fat bike fork with 135mm skewer typical rear hub standard and front hub spacing.

Most road bikes come with a 700c wheel but road bikes for much smaller riders can use a smaller size like a 26 wheel. This critical characteristic of fork length needs to be accounted for since a fork that is too large for your bike s wheel size will negatively impact the handling of the bike. The type of road fork you choose will depend on your bike type and the type of riding you wish to do as well as on additional factors including steerer tube size. Older bicycles used narrower spacing but older frames can often be spread out to match more modern wheels.

The big wheeled mountain bikes known as 29ers also use this size so there are off road tyres up to a whopping 75mm wide. Use of a good quality and sharp hack blade is needed for a properly cut column. Some bikes like trek s split pivot full suspension bikes use thru axles that are up to 50mm longer than the hub dropout width. It is recommend to use saw guide sg 1 1 column sg 2 1 1 8 column or sg 3 1 1 4 column to cut threaded steering columns.

Forks have several key dimensions which include. A bicycle frame and fork should match the wheels that are to be used in it. Offset length width steerer tube length and steerer tube diameter. Forks that are intended for use on serious racing machines will give fewer concessions to comfort and versatility and will be designed with pure speed performance in mind.

This tool holds the fork square to the saw blade.