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The STFU chain dampers wrap around and contain the chain on your mountain bike, limiting how far
it can move when riding over rough terrain. This results in a quieter ride as the chain is no longer
slapping against your frame but also increases chain life by preventing it from flexing sideways,
which can cause the chain to wear and flex too much over time, decreasing shifting performance.
Gearing: The STFU chain dampers are designed to work with 1 X setups only. This means if you
have more than one front chain ring the system will not function as designed. We have
tested using a single larger unit of the TRAIL set with 2X setups (2 front chain rings) and it works
on some bikes. At this stage we only offer each system as a set.
Specific Applications:
•1X gearing for trail bikes up to a 52 tooth cassette - use the TRAIL set
•7 speed DH gearing with cassettes up to 26 teeth - use the DH-07 set
•10+ speed DH gearing with cassettes up to 32 teeth - use the DH-10 set
•Single speed gearing or 7 speed cassettes up to 21 teeth - use the DH-00 set
Fit: The STFU modules attach to the top side of the chainstay. For this reason they are generally
only compatible with bikes that have 'traditional' chainstays positioned between the upper
and lower portion of the chain. The modules will generally not work with 'elevated' type
chainstays that sit above the chain but some users have been making them work. However, we
take no responsibility if you buy and they do not fit.
COMPATABILITY -CHAIN DAMPERS
TRAIL | DH10 | DH07 | DH00
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Summary of Contents for STFU TRAIL
- Page 1 We have tested using a single larger unit of the TRAIL set with 2X setups (2 front chain rings) and it works on some bikes. At this stage we only offer each system as a set.
- Page 2 (smallest cog on cassette) for the STFU to fit. For advice on the best product for your specific application, please contact STFU Bike via email: info@stfubike.com TRAIL | DH10 | DH07 | DH00...
- Page 3 INSTALLATION -CHAIN DAMPERS In order to make sure your STFU chain dampers are set up correctly, please follow these instructions. Basic bicycle mechanic skills are required including some basic tools. If you are not confident after reading these instructions, we suggest getting your local bike shop to install them for you.
- Page 4 Make a small mark on the top surface of your chain stay as per images below. Use a non permanent marker, a piece of tape, white out or chalk or whatever you like. This is approximately where the STFU chain dampers will be positioned. MARK...
- Page 5 For example, we measured 22 mm in the steps above so locate the 25 mm mark on the STFU damper and trim it there. The line closest to the measurement you want is the line to cut at. We have included the clearance in the design so you don’t have to think about that.
- Page 6 The key is to position the STFU so it is just far enough away from the chain in all gears that it does not rub. The closer it is to the chain, the better damping it will provide so you want to spend some time making sure it is adjusted correctly.
- Page 7 INSTALLATION -CHAIN DAMPERS 9. Once you are happy with the position of your STFU damper, add the additional cable tie to properly secure the unit to your frame. We like to position the cable tie heads on the underside or even back side of the chainstay so they are not seen.
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