what is the cassette material? & why shimano cassettes are two color?
Is that color difference about material or chrome & nickel plated?
How "Alloy" spiders made (i mean about "alloy material")?
what is the "Alloy Carrier" or "Steel Carrier"?
(Cassette Material: Steel/"Steel Carrier" )
http://www.pinkbike.com/product/shimano/Slx-Cassette/
Is that color difference about material or chrome & nickel plated?
How "Alloy" spiders made (i mean about "alloy material")?
what is the "Alloy Carrier" or "Steel Carrier"?
(Cassette Material: Steel/"Steel Carrier" )
http://www.pinkbike.com/product/shimano/Slx-Cassette/