135 millimeters is equivalent to 13.5 centimeters or approximately 5.31 inches. To put it in perspective, it's slightly longer than the length of a typical credit card, which is about 85.6 mm (8.56 cm).
Either 6 x 135mm or 5 x 135mm.
The compatibility requirements for a 135mm QR rear hub include having a frame with 135mm spacing between the dropouts, a quick-release skewer that is 135mm in length, and a cassette that fits the hub's freehub body.
5 x 135mm 5 x 135mm
No 6 on 135mm is smaller. It looks like it'll fit but it wont
It is important to know how to convert units while on the job. In 135 millimeters there are 0.44 feet.
Approximately 5.4 inches
135 millimeters is 5.32 inches.
135mm (80-150)
6 x 135mm
5 on 135mm
The EF-S 18-135mm is a good all around lens, but for lifestyle and portrait needs, I'd stick to primes for their speeds.
You can find reviews on the Canon EF28 135mm by going to Canon's official website online. In addition, you can visit online stores such as Amazon or eBay to find reviews.