Computer designed Hyperglide (HG) sprockets incorporate specifically positioned shift ramps and tooth profiles for improved chain control during shifting. Fast and responsive indexed shifting is the result.
* Must use 9-speed chain
* Reduced cog spacing: 9-speed is same overall width as 8-speed
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If an item is priced at $99 or more (excluding taxes and shipping charges), that item qualifies for free shipping. If the total price of your order is $99 or more (excluding taxes and shipping charges), your order qualifies for free shipping.
*Offer only applies to the contiguous 48 states.
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