The Shimano CS-7900 Dura-Ace cassette features a new, rigid and super-lightweight aluminum sprocket carrier and a re-engineered teeth profile. These improvements reduce cassette weight while increasing sprocket stiffness and improving shifting power. With a mix of titanium and chromoly sprockets it offers the best balance of strength and weight
Specifications:
- 10 speed Super Narrow HyperGlide compatible cassette
- Fits 9 speed spacing with shim
- 6 arm aluminum dual carrier reduces weight and increases stiffness
Cog Range:
11-23 includes- 11,12,13,14,15,16,17,19,21,23
11-28 includes- 11,12,13,14,15,17,19,21,24,28
12-23 includes- 12,13,14,15,16,17,18,19,21,23
12-25 includes- 12,13,14,15,16,17,19,21,23,25
Actual weight:
11/23- 163g
11/28- 190g
12/23- 192g
12/25- 186g
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