microSHIFT H08 Cassette - 8 Speed 11-32t Silver Nickel Plated Model-Diamond They are 1" hex drive

They are 1" hex drive interface compatible

180 lumens of powerful brightness with Cycling Tuned Optics for wide long-range visibility and daytime-visible flashes to enhance safety on busy streets

5mm Color Red

All metal construction with Stainless steel and automotive grade finish on hardware

2mm Color Smooth

microSHIFT H08 Cassette - 8 Speed 11-32t Silver Nickel Plated Model-Diamond They are 1" hex driveH82 8 speed cassettes are nickel plated for durability and constructed using the same processes as microSHIFT's higher end cassettes resulting in rapid responsive shifting at an affordable price. Nickel plated Continuously molded cogs are straighter than stamped steel resulting in more consistent predictable shifting performance Precision ramps and chamfers for rapid chain movement Compatible with SRAM and Shimano 8 speed systems Steel lock ring Range