e*thirteen Extended Range EX Cog Cassette

2/5 (1 Reviews)
MSRP : $86.49


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Product Description

E Thirteen Extended Range EX Cog1x Drivechains are everywhere you look this season from complete bikes to winning enduro rigs. Everyone is doing it so why should you have to miss out? With the e*13 EX Cog range extender you don't have to. Simply fit this sprocket to your existing 10 spd cassette, using the clear instructions provided, and say goodbye to your front shift setup.Features:It's an add-on cog to extend gear range of 10 spd. Shimano and SRAM cassettes.It comes in 40t and 42t for use with Shimano cassettes and a 42t only for use with SRAM cassettes.Installing your EX Cog is easy. Remove the 15t or 17t cog from your cassette, place the EX Cog on your freehub, then install your existing cassette back in place.Each EX Cog is timed and ramped specific to Shimano and SRAM cassettes.The EX Cog comes with a longer steel replacement, B-limit screw for your derailleurs. Your current one won't be long enough to get the best shifting up to the new cog.Buy E Thirteen Extended Range


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Reviews 1 - 1 (1 Reviews Total)

User Reviews

Overall Rating:2
Value Rating:2
Submitted by Acewray a Racer

Date Reviewed: August 13, 2014

Strengths:    Gives you 42 teeth.

Weaknesses:    Was not compatible with my Stans 3.30 hub. My XT derailleur was not happy. A good idea that creates a bad experience - at least for me, but could work for others.

Bottom Line:   
I was excited with this product, and have many E-Thirteen items of high quality, BUT this one is going back. I started with a brand new XT cassette, new XTR chain, with existing XT shifter, and XT derailleur - modern 2013 models. The cog made contact with the hub (Stans 3.30 w/ EX Arch rims) causing chain suck and drag/rubbing; a 1mm space fixed the problem. The B limit screw does not work on my XT derailleur as it crests the top of the limit stopper effectively making the screw non functional. When taking out the 15 or 17 stock cog it really screws up shifting - remember Shimano made those ramped cogs to step together, so deleting one caused skipping and a little extra manual shifter push to make the jump at the missing cog. Once on the 42 tooth EX Cog the chain skipped and jumped and was generally noisy; no adjustment of the B limit screw up or down remedied the problem.
When returning to straight stock cassette setup the rubbing, bad shifting, and skipping went completely away. Quiet as a mouse now. I want to like the Ex Cog, but I cannot.

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Favorite Trail:   Any

Duration Product Used:   20 Miles

Price Paid:    $69.00

Purchased At:   Jenson USA

Bike Setup:   Carbon Stumpjumper FSR.

Reviews 1 - 1 (1 Reviews Total)

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