All cogs are stamped from steel and subsequently, the larger ones are pinned to alloy spiders. Due to its provenance, this is, without doubt, the most durable cassette in the range.
Speeds: 9
Gears: 11,13,15,18,22,28,34,42,50
Material: Hardened Alloy Steel, Aluminum
Weight: 645g
UPC Code : 639266097280
Manufacturer # : BX-CS2-P9A1150-BK
SPECIFICATIONS
COLOR : Black
MODEL : TWO
SPEEDS : 9
TEETH : 11-50