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Code: SMSP18MS
SM-SP18 under BB-gear cable guide, screw-on

Genuine Shimano under bottom bracket cable guide


Will fit most frames with downtube cable routing


Sold individually

Been looking for this small part. Just functioned as per described
Excellent product. After replacing gear cable inner and outers, and derailleurs, my shifting still didn`t work very well. After replacing the bottom bracket guide it was like a had got a new bike.
This works, and is really hard to find in my local bike shop in my area. Nice that Merlin carries it.
The metal insert allows the piece to be securely fastened with no squeak or creaking
Excellent, low friction product, improved my bikes shifting and delievered very quickly
Just the job! Note there is no fixing bolt supplied with this part
Nice upgrade to the black plastic guide that my bike had. I'm only giving a 4 star rating because it doesn't come with a fastener.
Neat and tidy with 2 holes for easy positioning.