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2x Chain Retention System Steel 34-40T ISCG-05 Black
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The 2x chain guide provides robust chain retention and chainring protection for 2x10 and 2x9 drivetrains.
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© 2026 Sierra Bicycle Supply, 1380 Kleppe Lane Sparks, NV 89431 All rights reserved. Experience by Frengee
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Tool was exactly how described and packaging was nice. It did take a few days to ship so unfortunately I didn’t receive it in time for the trip I ordered it for which is the reason for 3 stars but I received it the week after and it’s coming in handy.
size is big enough and clear simple layout. moved from garmin 850. I am very satisfied with wahoo!
Sierra is no joke, this is our 4th bike in the last 3 months and the process has been so easy, they are fair with pricing and never make it feel transactional! I won't be buying anywhere else!
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