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1/8 Inch Track Fixed Gear Sprockets (Cogs)!

All of the sprockets listed on this page work with 1/8" wide chain only.

Click Here for 3/32" ("Road") Width Sprockets

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New! White Industries Splined Sprockets for ENO Eccentric Hub...Click Here.

We generally have all sizes, from 13 to 22 tooth, of fixed sprockets in stock in 3/32" (normal narrow derailer chain), as well as the older style 1/8" sprockets, but we don't recommend the 1/8" width for new conversions. If you don't specify a width in your order, we'll ship 3/32".

In terms of quality, Phil Wood is the best, E.A.I. is second best, with Surly 3rd and Rockwerks 4th. We no longer carry the Shimano Dura-Ace as the cost went up dramatically.

1/8" Track sprockets. These wider sprockets only work with wide (1/8") chain ONLY!
Brand	Phil Wood Stainless 1/8"	E.A.I. 1/8"	Surly (New Style)1/8"	Rockwerks 1/8"
Price	$62.95	$25.95 - $29.95	$25.95 - $29.95	$19.95
12 Teeth	Phil Wood Stainless FCP712	N/A	N/A	N/A
13 Teeth	Phil Wood Stainless FCP713	E.A.I. Deluxe FCE53	Surly (New Style) FCY73	Rockwerks FW348
14 Teeth 1/8"	Phil Wood Stainless FCP714	E.A.I. Deluxe FCE54	Surly (New Style) FCY74	Rockwerks FW349
15 Teeth 1/8"	Phil Wood Stainless FCP715	E.A.I. Deluxe FCE55	Surly (New Style) FCY75	Rockwerks FW350
16 Teeth 1/8"	Phil Wood Stainless FCP716	E.A.I. Deluxe FCE56	Surly (New Style) FCY76	Rockwerks FW351
17 Teeth 1/8"	Phil Wood Stainless FCP717	E.A.I. Deluxe FCE57	Surly (New Style) FCY77	Rockwerks FW352
18 Teeth 1/8"	Phil Wood Stainless FCP718	E.A.I. Deluxe FCE58	Surly (New Style) FCY78	Rockwerks FW353
19 Teeth 1/8"	Phil Wood Stainless FCP719	E.A.I. Deluxe FCE59	Surly (New Style) FCY79	Rockwerks FW354
20 Teeth 1/8"	Phil Wood Stainless FCP720	E.A.I. Deluxe FCE60	Surly (New Style) FCY80	Rockwerks FW355
21 Teeth 1/8"	Phil Wood Stainless FCP721	E.A.I. Deluxe FCE61	Surly (New Style) $ FCY81	N/A
22 Teeth 1/8"	Phil Wood Stainless FCP722	E.A.I. Deluxe FCE62	Surly (New Style) FCY82	N/A

Lockrings for 12 Tooth Sprockets

Note, most standard track lock rings won't work with a 12 tooth sprocket, because the chain will bump into the edge of the lockring.

Phil Wood lockrings work (Phil Wood or Campagnolo hubs).

Surly Old & New

Older Surly single fixed sprockets were not so good, but they have been redesigned and come from a new vendor, and we like the current batch very much. Note: The Surly Sprockets 17 teeth and larger are drilled for lightness as shown. Sizes 13-16 teeth are not drilled.

Note:

If you are using inexpensive sprockets with short threads, a spacer may be needed to allow the lock ring to engage properly. We have had some problems with the cheap sprockets stripping the threads from hubs, particularly when used in low gear combinations.

It is a good idea to use a thread adhesive, such as Loctite. This is especially true if you are running a low gear.

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Single-speed Freewheels

Freewheel compatibility notes: 3/32" freewheels can be used either with narrow (3/32") or wide (1/8") chain with no problem. Freewheels can fit on most fixed-gear hubs with no problem, just leave off the lockring. Occasionally, you may need to add a thin spacer washer to prevent the freewheel body from rubbing against the spokes.

Single-Speed Freewheels are now listed on our Singlespeed Page

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Why should you want a one-speed bicycle
that won't let you coast?
Read all about it!

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