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Shimano STI Downtube Cable Stop and Adjuster

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4.5 out of 5 (29 ratings)
29 customer reviews



> Cables & Housing > Cable Guides, Hangers, Ferrules, Tips, Ect

  • CS50 shifter boss conversion for STI shifters with barrel adjusters
  • ST74 shifter boss conversion for STI shifters with barrel/lever
  • Choose for concave/convex or flat mount surface braze-on boss
Shipping Offers - $2.99 Pick-a-Product Shipping, and Free Shipping on orders over $150

CS50 pair of stops (no lever) concave mount

Item #:16733-38978 
Mfg#:Y67B91000 
UPC:689228127333 
EAN:4524667127338 
Other #s:
FS1066 
SH95501 
86200075 
CABL8175 
Available to ship DETAILS
Oregon11 - Apr 24th178 - Apr 28th
Minnesota52 - Apr 24th 
New Mexico1 - Apr 24th 
Utah51 - Apr 24th 

pickup_biking_man Available for pickup DETAILS
Portland, OR11 Apr 23rd178 - Apr 28th
Ogden, UT1 - Apr 24th51 - Apr 25th
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76 - Apr 29th
128 - Apr 30th
178 - May 1st

$15.00

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CS50 pair of stops (no lever) flat mount

Item #:16733-38979 
Mfg#:Y67B91010 
UPC:689228196537 
EAN:689228196537 
Other #s:
FS1069 
SH95502 
86200076 
Available to ship DETAILS
Oregon2 - Apr 24th155 - Apr 28th
Minnesota50 - Apr 24th 
New Mexico0 - Apr 24th 
Utah43 - Apr 24th 

pickup_biking_man Available for pickup DETAILS
Portland, OR2 Apr 23rd155 - Apr 28th
Ogden, UT1 - Apr 24th43 - Apr 25th
Show More
55 - Apr 29th
105 - Apr 30th
155 - May 1st

$16.00

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ST74 pair of stops with lever concave mount

Item #:16733-38980 
Mfg#:Y67D98010 
UPC:689228196582 
EAN:689228196582 
Other #s:
FS1095 
SH95505 
CABL8176 
Available to ship DETAILS
Oregon1 - Apr 24th106 - Apr 28th
Minnesota34 - Apr 24th 
New Mexico0 - Apr 24th 
Utah50 - Apr 24th 

pickup_biking_man Available for pickup DETAILS
Portland, OR1 Apr 23rd106 - Apr 28th
Ogden, UT0 - Apr 24th50 - Apr 25th
Show More
51 - Apr 29th
85 - Apr 30th
106 - May 1st

$32.00

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ST74 pair of stops with lever flat mount

Item #:16733-38981 
Mfg#:Y67D98020 
UPC:689228196599 
Other #s:
SH95506 
Available to ship DETAILS
Oregon0 - Apr 24th0 - Apr 28th
Minnesota0 - Apr 24th 
New Mexico0 - Apr 24th 
Utah0 - Apr 24th 

pickup_biking_man Available for pickup DETAILS
Portland, OR0 Apr 23rd0 - Apr 28th
Ogden, UT0 - Apr 24th0 - May 1st

$35.00

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Customer Ratings

Current Customer Rating


4.5 out of 5 (29 ratings)

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Customer Reviews

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These work great, I love the concave version.

Would Buy Again: Yes
Would Recommend: Yes

Reviewed on: November 09, 2013
Reviewed by: Chris W.

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Not much to say about these, other than they are needed and fit as they should.

Pros: Good fit and not too expensive.

Would Buy Again: Yes
Would Recommend: Yes

Reviewed on: June 30, 2013
Reviewed by: Fred M.

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Allowed me to switch from downtube shifters. Work well. The barrel adjusters arent the best.

Would Buy Again: Yes
Would Recommend: Yes

Reviewed on: May 12, 2013
Reviewed by: Roland L.

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A quality install-and-forget item. The standard concave stop fit perfectly on my Gunnar, although I did have to sand down the paint on the bosses a bit due to the tight fit. I have a 1x9 setup, so I took out the adjuster on the left stop and replaced it with a round head bolt that matches the included bolts - it looks good.

Pros: Quality item the works perfectly.

Cons: None.

Reviewed on: April 14, 2013
Reviewed by: Brad M.

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Perfect fit on my Cannondale CAAD3 Saeco frame that came without the downtube cable stops. No problems with these so far, and popped right on the downtube like factory parts.

Pros: Fit

Cons: Price - not really much to these for what they cost

Would Buy Again: Yes
Would Recommend: Yes

Reviewed on: January 30, 2013
Reviewed by: Andrew R.

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Adjusters work and easy to install. Surprised by the nice quality finish, will definitely blend with a chrome bike build.

Would Buy Again: Yes
Would Recommend: Yes

Reviewed on: January 10, 2013
Reviewed by: Ernest C.

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Shimano STI Downtube Cable Stop and Adjuster

Fit perfectly on our new SOMA Smoothie Frame
Just what the doctor ordered. I've seen it where they have been mounted and left no room to adjust between the frame and adjuster, thats not the case on our SOMA frame. Fit perfect.

Pros: Works right out of the box. Perfect fit for a SOMA Smoothie frame

Cons: NONE

Would Buy Again: Yes
Would Recommend: Yes

Reviewed on: September 06, 2012
Reviewed by: Tony B.

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Simple fix

I wanted to install STI shifters on an old downtube shifter frame. This simple, cheap piece allows routing of the shifter cables through the old downtube braze-ons and even has a built in barrel adjuster. Didn't even add much weight!

Pros: Simple
concave machining fits to frame

Would Buy Again: Yes
Would Recommend: Yes

Reviewed on: July 22, 2012
Reviewed by: Griffin W.

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The Standard for Downtube cable stops

I have these on all my bikes with downtube shifter bosses. They work flawlessly and the quality is top notch. Be careful installing though as some frames have thicker paint which makes the fit tighter and you don't want to chip or scrape it off when sliding these over the bosses.

Pros: High quality Shimano product

Would Buy Again: Yes
Would Recommend: Yes

Reviewed on: July 06, 2012
Reviewed by: Brian K.

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Ok, I am not going to say, "These just work...", but hey, they do, and they look really nice on a vintage bike, especially when you want to replace those down tube shifters with some groovy bar-end shifters. Oh, and did I mention they're silver? Nice......

Would Buy Again: Yes
Would Recommend: Yes

Reviewed on: April 22, 2012
Reviewed by: eric b.

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Everett Cykler

I have used these adjusters on several road bikes I have built from the frame up using shimano Ultegra and Dura Ace 9 & 10 speed shifter/brake levers. I you want to modernize and older frame (I prefer light weight steel), these adjusters are a must.

Pros: Easy installation. Easy to adjust on the run.

Cons: None

Would Buy Again: Yes
Would Recommend: Yes

Reviewed on: February 03, 2012
Reviewed by: Steve

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These are ok

I have the CS50s on two bikes now. They really are not easy to use. They only really turn when there is no tension on the cable and even then the indexing mark feels really faint so i never know if it has actually 'clicked'.. A pain when you are riding and reaching down with one hand trying for a quick fix. Additionally at $17 they seem pretty expensive for some simple parts that dont work really well.

Pros: They work as cable stops on downtube bosses

Cons: indexing is weak and they are hard to turn when there is any pressure on the cable. Expensive

Would Buy Again: Yes
Would Recommend: Yes

Reviewed on: January 18, 2012
Reviewed by: Porter F.

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Exactly what you need

These work great. The knobs don't turn on accident and it is nice to have adjustable stops. Curved to mate with downtube. Excellent fit/finish.

Pros: good finish

Cons: A little pricey.

Would Buy Again: Yes
Would Recommend: Yes

Reviewed on: October 22, 2011
Reviewed by: Steven S.

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I think the winged/thumb ones probably adjust better than the barrel ones. The barrel adjusters lack leverage and are hard on your fingers. Otherwise they look nice and work well.

Cons: Barrel adjusters are hard to spin with your fingers.

Would Buy Again: Yes
Would Recommend: Yes

Reviewed on: September 09, 2011
Reviewed by: Daniel P.

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Downtube adjusting barrels

I got the dual adjusting barrels because the dura-ace lever action on the right barrel kept flipping down to a lower level when I'd ride on rough roads.

Pros: They hold their tension properly

Cons: Just make sure you get either the flat mount or the oval mount ones to fit your frame properly.

Would Buy Again: Yes
Would Recommend: Yes

Reviewed on: September 01, 2011
Reviewed by: Douglas M.

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i use these on a soma dc build (from universal)
very easy to set up. makes adjustments, trim etc. easy. keep the cables from bar-end shifters out of the way.

Pros: universal price, easiness of installation and use.

Cons: none, so far

Would Buy Again: Yes
Would Recommend: Yes

Reviewed on: August 09, 2011
Reviewed by: Jeff P.

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Great!

I purchased a set of the barrel style, curved profile for an '80's frame with DT shifter bosses, and they fit perfectly.

The screws ARE included.

Pros: clean, simple, nice range of adjustment

Cons: None

Would Buy Again: Yes
Would Recommend: Yes

Reviewed on: July 20, 2011
Reviewed by: Michael R.

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These fit nicely on my LHT frame. They seem to function well. It would be outstanding if there was a slot that would allow for the cable to be easily removed, but for the price, I'm not complaining. Some Shimano shifters inlcude a pair of these.

Pros: price

Would Buy Again: Yes
Would Recommend: Yes

Reviewed on: July 06, 2011
Reviewed by: yackrr

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Not just for STI - these work excellently if you switch from downtube to bar-end shifters or any other sort of non-downtube shifters. They sit perfectly on the bosses of my old road bike and with a bit of grease, they adjust quite smoothly, as well. Nice lil' units!

Would Buy Again: Yes
Would Recommend: Yes

Reviewed on: May 31, 2011
Reviewed by: cabbagepatchelvis

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Last summer I upgraded my '89 Trek steel lugged frame to STI shifting that I cannibalized from a more recent Trek that had been wrecked. These Cable Stops were the perfect adapters for the switch from downtube to STI shifting. They fir the braze on mount point perfectly, and the concave back of the base matches the curve of an old steel frame's tubing quite well. Plus, coming from Shimano, they matched great with the mostly-Shimano gruppo I put on from the more modern Trek!

Would Buy Again: Yes
Would Recommend: Yes

Reviewed on: May 27, 2011
Reviewed by: Scott W.

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A very well-fitting unit; they fit snugly onto downtube shifter bosses and stay there, even when subjected to gravel, chipseal, and the other indignities found on quiet country roads.

The only problem with them (at least the ones with the plastic barrel adjusters) is that the shifter cables are a very snug fit, so if you don't grease them it's a bit of a challenge to actually *use* the adjusters on them.

Would Buy Again: Yes
Would Recommend: No

Reviewed on: April 13, 2011
Reviewed by: David P.

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Typical Shimano fit and function

Purchased for my new no-frills aluminum Nashbar road frame intended for every-day commuting.

The lack of welded down-tube cable stops forced this purchase.

Like any other Shimano products I've used, product quality is clean and polished, while installation and fitment was simple and snug.

Pros: - Good build quality
- Useful barrel adjusters for on-the-fly adjustment
- Easy to install

Cons: - Barrel adjusters initially stiff to use
- Kinda pricey for something so small and simple

Would Buy Again: Yes
Would Recommend: Yes

Reviewed on: April 04, 2011
Reviewed by: Dave V.

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Works as advertised. Nice fit and finish.

Would Buy Again: Yes
Would Recommend: Yes

Reviewed on: January 28, 2011
Reviewed by: Tom R.

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STI downtube stops

Nicely finished, I wish all drop bar bikes had some provision for mounting these. They make it easy to adjust the derailer while riding.

Pros: Nicely finished, easy to adjust.

Cons: A bit pricey for a small piece of metal.

Would Buy Again: Yes
Would Recommend: Yes

Reviewed on: November 19, 2010
Reviewed by: Eric D.

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Cable Stops

Fit the downtube bosses perfectly.

Pros: Good fit and finish, functions as intended.

Cons: None

Would Buy Again: Yes
Would Recommend: Yes

Reviewed on: October 12, 2010
Reviewed by: Daniel G.

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