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Dimension Splined Singlespeed Cog

Item #: CS407Z01
USD$6.95 SAVE 9% USD$7.65 msrp
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Dimension Splined Singlespeed Cog

Splined cogs for BMX or single speed
3/32"
3.9 / 5.0
18 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
7
7
1
2
1
They work well
I installed both a 16&20 tooth cogs on my new 29'r single speed. I can switch in seconds using the same chain. Hard trail or soft trail works great.

PROS: Enhances Pedaling Efficiency
April 25, 2013
Location:
Central Florida
temp-to-perm
Since rear cogs are cheaper than front rings, I bought this to test a few different ratios on my SS conversion. I wound up happy with the ratio and never bothered "upgrading" to flashier/fancier/lighter because this did the job so well for the price.

PROS: value

BEST USES: Long-term Use, Testing or experimenting
March 17, 2012
Location:
dfw.tx.us
Dimension SS Cog
I have a 16 and a 20t for my SS MTBs. They seem to wear pretty well and are a great deal considering the low cost. They are definitely not as thick as some of the higher end cogs, but have worked out fine for my purposes. I can't see a reason to spend money on a "higher end" product. I have no problems to report and it has worked out great for me.

PROS: Sturdy, Good selection of sizes, Steel, Low Cost

CONS: thin
March 26, 2012
Location:
Reston, VA
Mountain SS workhorse
When selecting the proper gearing on a single speed mountain bike this was a great value. There are fancier and much more costly cogs out there, but this works well, period.

PROS: Easy To Install, Durable

BEST USES: Mountain Biking, BMX
April 10, 2014
Location:
Ogden, UT
Have been using a 16...
Have been using a 16 tooth(32 front) for about 4 years.Abuse the heck out of it,lots of bunny hops and jumping at the BMX track and only showing minor wear,nothing that effects performance.Just purchased a 15 tooth to try a slightly taller gear ratio(i run SS).
November 6, 2010
Location:
Vancouver, Bc
Bought this as a...
Bought this as a cheap way to try some different gain ratios on my single speed. Didn't want to spend $50 on a new king cog and find out I didn't like the gearing. Note that if you use this cog on a king ss hub it is not as wide as the king cog and you will need another spacer.
April 7, 2011
Location:
Bend, Or United States
These are dirt cheep and work well.
These things are amazing at the price they are offered at. They are not the thickest or the lightest or the prettiest, but they work! I run a 32t up front and switch between a 18t and 20t in the rear depending on what I'm doing. I foresee many more of these showing up in my parts bin. Don't hesitate to buy they will make your riding experience better when you find the right ratio for you and where you ride.

PROS: Easy To Install, CHEAP, Durable

CONS: Heavy
October 4, 2012
Location:
Waukesha, WI
These might not be...
These might not be the fanciest cogs out there, but they work. And for the price, you can buy 5 of these to one of the "name brand" cogs.
December 7, 2009
Location:
Houston, Tx
What more could you need
Delevery great as usual.

PROS: Strong, Bargain priced, Deep teeth, Durable

CONS: Heavy

BEST USES: Cyclocross, Single speed
February 26, 2012
Location:
Savannah GA
Well...
I really like these and for the price you cannot go wrong. I bought a 13T because I was biking to and from a flat campus. I then bought a 16T and decided I'd like an 18 or 20T better. I'm ordering a 20. Just like another review said, if using in place of a king cog, get another spacer, they are dirt cheap too.

PROS: cheap, Durable, Deep teeth

CONS: none
September 5, 2012
Location:
Boulder, CO

Q & A

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Browse 1 question Browse 1 question and 1 answer
I have a niner one bike. Can this cog be used on hubs where my current niner 20t cog is used?
A shopper on Mar 15, 2017
BEST ANSWER: The cog is a little thinner (width). You may have to rearrange your spacers to align your chain (may have to add a thin spacer). It will work just fine

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Free Shipping Offer

Get free Standard Shipping with your $50 purchase today! Just choose Standard Shipping during checkout.

Please note this offer is only available to physical shipping addresses in the 48 continental United States (no PO Boxes), and oversize charges still apply on some heavy/large items.