The high-speed-drive versions | ||
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high-speed-drive with standard 27t. chainring and integrated trouser guard. Made of high resistant and lightweight 7075 aluminum alloy. The 27t. chainring equals a 67t. chainring in high gear mode! | Detail of the one-piece chainring - trouser guard unit | |
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high-speed-drive with special splines, that allow to mount directly a 30 or 34t. chainring or an adapter with bolt circle diameter 130mm. For 38t. chainrings or bigger! | 34 teeth equal 85 teeth in high gear mode. | |
Detail splines and groove for the circlip | Aluminum trouser guard: quick release with circlip | |
Adapter with bolt circle diameter 130mm. For chainrings with 38 teeth or bigger. Means: 95 teeth or more in high gear mode! |
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