I installed this on my SirrusX 4.0 XL bike. Install is simple, but I needed to shorten the length by a bit over 1/2 inch. The quality of the product is excellent, but I gave 4 stars because I think Specialized does a poor job of describing the product. They should list which frames it fits and that the kickstand may need to be altered.

This kickstand does the job well, center mount and tucks away well. Not like the non brand name that got in the way of peeling. So if you want a kickstand , this is it.

Easy enough to install and does the job. Base of kickstand could be a little wider to avoid tipping which has happened a few times if stand is slightly off centre

Other than not easy to install, it is a good kickstand for the rock hopper 2.7. No need to cut it down.

-Excellent fit for my wife's Sirrus 2.0. Easy installation. Sturdy. No issues what so ever so far. Wife super happy. Recommend this kickstand for Sirrus activity bikes.

Looks great, holds my bike well, snaps down and stays down. Took off 2 starts because the bolt uses some unusually large hex wrench size that I didn't have. Ended up tightening it down painfully with needle nose pliers. Still not all the way tight. There's no excuse for using such a big goofy size for this bolt-- it's not a sprocket or pedals, just a bolt. Get over yourselves, Specialized, this isn't a complex part. Put a standard size hex you might get at a hardware store, or a screwdriver tip, or rachet... literally dozens of better options that would attach just as well. Or, provide a little hex that fits the size like Ikea.

Great product! I wanted a bike stand for my Sirrus size Medium. This fit perfectly with no adjustments needed to make the bike stand correctly.

Perfect fit for medium Specialized Sirrus X 4.0.

Fits perfectly, looks good, and doesn’t interfere with any functionality like other stands can.

This elegant and functional kickstand is a great addition for my medium frame Sirrus X 4. The height of the stand is perfect right out of the box. Based on other reviews I was thinking the stand may have been too tall and would need a cut down. Well, not so. As I ordered this kickstand about two months after I took delivery of the bike, the only DIY installation hiccup encountered was not having a big enough Allen wrench. Amazingly I was able to get it pretty tightly on with my hands alone but then I went to a local shop where I had the part shipped in from Specialized for help. A big shout out to Flo’s Wheels in Hoboken, NJ for the quick tightening with their 8mm Allen wrench and I was good to to go.