Instruction: Given a question and the related document, predict if the question is answerable based on the information provided in the document. Output only yes or no.

Input:
Question: Does this work with shimano sis 6 speed rear cassette and 3 level front gears? I am looking to replace broken grip shifter on Roadmaster Granite peak.
Document: Recently purchased these to replace the grip shifters on a cheap mountain bike. They work quite well, even with off brand derailleurs (x-trac?). Installation was straight forward following the instructions. Adjustment was easy enough. My bike has non-compression cable sheaths, though they are old and due for replacement, so the indexer works perfectly.The product comes with an indexed right-side shifter (rear gears) and a non-indexed left-side shifter (front gears).
I ordered these because I needed the front shifter. I already had the rear shifter (7 speed) so I have an extra. However, while this pair is billed as a 3x speed7, in reality the rear shifter I received is only 6 speed. Good thing I didn't need the rear shifter.I suggest they change the listing to 6 speed if that's what's being purchased.
while it seems this gear shifter looks and feels very nice it is not what it is advertised.I got the Shimano Tourney SL-TX30-6 (6-gears) while i needed a SL-TX30-7 (7-gears)So, if you only have 6 speed i would recommend this; if you have a 7 speed i would not recommend this
These turned out to be a 3 X 6 speed set of shifters but that being said they did shift from 1st through 7th gear on my daughters bike while skipping a gear which can be engaged by back shifting. The push button down shifter works great and the left 3 speed shifter finds all 3 gears with it's long &#34;throw&#34;. Well worth the price, just cut the cable housings (included) to length and install.
I'm always impressed by the performance of the low-line Shimano components. I used these on a mid-level MTB build-up for my daughter. After initial adjustment they work perfectly. I actually prefer a non-indexed front derailleur shifter because of the ability to adjust for chain rub and use with any type of triple chainwheel. Thinking of putting these on one of my touring bikes. Why spend big bucks for higher line shifters when these do the job perfectly? Highly recommended.
I found this to be the most economical way to replace aging grip shifters on an older bike. I could spend more money buying higher-end shifters but why. This is good enough. I wish it has index shifting on the left shifter (front-gear). Only annoyance is the fact that a right shifter has to physically rotate about 100 degree from 7th gear to 1st gear and I found my hand to be on its path as the thumb handle rotates. Hence the 4 star.
This is my last upgrade to my wifes Dept store bike. The shifter looks nice and very brittle looking but once you secure it on the handlebar....it is very pretty solid after all. It took me about an hour to install and with a little trial and error, I finally made it to work the way I wanted. Would recommend this set up if you are tired of a grip shifter that came with the bike plus it's more convenient to do the shifting.
Installed them in about half an hour, all gears shift great after some fine tuning. I've seen a lot of complaints about people getting the 6-speed version, but I got the 7-speed version. The only thing I didnt get with them that other people seem to have gotten are the cable housings, but my old housings were in good shape still so no big deal.
This product stand-alone earns 3 stars. At $14 for the pair, I gave it an extra star for price.Installed easily, but the right, 7-gear shifter does not match the index of my derailleur. 1 matches the first gear, 7 matches the 7th, but 6 also hits the 7th and one of the others gets skipped. For $14, as a casual bike rider, I don't care. But if you are more serious, look for something else.
Good Shifters great price - worked out of the box - work on 8 speed rear cog. Easy to adjust.
Answer: yes