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Single-Chainring Cranks and Cranksets
from Harris Cyclery

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165 mm is Good!

We generally recommend 165 mm length cranks for road fixed-gear use. This shorter length makes it easier to spin faster cadences, and also reduces the risk of striking a pedal while cornering (with a fixed gear, where you have to pedal through the corners, this can be an issue.)

Sugino RD Crank Sets

Beautiful Sugino Forged cranks with single 48 tooth 3/32" chainring for singlespeed/fixed-gear use.

• Left & right set.
• Popular 130 (road standard) bolt circle.
• 575 grams.
• 103mm Bottom bracket matches most track hubs.
• 107mm Bottom bracket matches 126mm & 130mm hubs.
• Click here for matching bottom brackets

Crank Length	Part #	Order
165 mm	CK1016	$129.95
170 mm	CK1017	$129.95
172.5 mm	CK1018	$129.95
175 mm	CK1019	$129.95

Origin8 Singlespeed Crank Sets  

Alloy cranks (left & right) with single 46 tooth chainring for singlespeed/fixed-gear use.

• Not as nicely finished as the Sugino RD, but more affordable.
• Note: The finish has improved greatly since first being introduced.
• Popular 130 (road standard) bolt circle.
• 46 tooth x 3/32"" Alloy chainring
• Crank bolts included!
• 103mm Bottom bracket matches most track hubs.
• 107mm Bottom bracket matches 126mm & 130mm hubs.

  CK1144  Silver w/Grey Ring 165mm $69.95   

  CK1145  Silver w/Grey Ring 170mm $69.95   

  CK1147   All Black   165mm $69.95   

  CK1148   All Black   170mm $69.95   

Origin8 Silver 110 BCD Crank Arm Set $44.95

Origin8 BMX cranks can be used as a single or double chainring setup.

These use the highly versatile 110 mm bolt circle, and fit standard tapered-square bottom bracket axles.

Recommended bottom bracket: 107mm

Left & right arms only, no bolts nor chainrings included.

Lengths available: 165 mm, 170 mm

Origin8 Black 110 BCD Crank Arm Set $44.95

As above, but black finish.

• CK237, 165 mm
• CK238, 170 mm

130 mm BCD Cranks for fixed-gear/singlespeed applications

For road applications with fixed gears, you can buy a genuine track crankset, but we normally recommend modifying a "road" double instead.

"Road" cranks are typically considerably less expensive, and use the 130 mm bolt circle, for a much better choice of chainrings at reasonable prices.

Any of the "road" double cranks listed below can be converted to single. All you need is a set of "single" chainring stack bolts.

130 mm BCD "Road" Double Cranks for Fixed/Singlespeed use

You really don't need a fixed-gear specific crankset for your fixed-gear or singlespeed bike. You can use a typical "road double" crankset with the outer chainring removed. You will need a set of short "stack bolts" because the normal double stack bolts will be too long once you remove the outer chainring.

Typical "road" double cranksets put the chainline of the inner (smaller) ring at about 41 mm, which works pretty well with a typical track hub.

See my Chainline Article for details on this.

In addition to the models listed on our main "road double" page, we always keep an eye out for good closeout deals on suitable cranks in 165 mm or shorter lengths:

This site also features many
useful articles by Sheldon Brown
and others.

Articles by Sheldon Brown and others
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