Spank Hex Drive J-Type Rear Microspline Boost 12x148mm 32h Black
Spank Hex Drive 102T technology delivers 3.5o engagement.
6 independent pawls with 3 steps per pawl, work in unison, meaning 18 engagement points per click
Unique flange design reduces dish requirement and minimizes tension range between drive side and non-drive side spokes
Advanced seal system improves prevention of bearing/drive system contamination
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