Zoom 30.9- mm Bicycle Seatposts
The seatpost diameter must match to the seat tube diamater of your frame. If replacing a seatpost, you can usually find this measurement etched near the bottom of your current post.
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Zoom SPS-521 Suspension Seatpost - 30.9, Black 
Info
The Zoom SPS-521 suspension seatpost smoothes out road chatter and smaller bumps, providing a more comfortable, less fatiguing ride. Item Specifications … read more
your price $44.99
Info The seatpost diameter must match to the seat tube diamater of your frame. If replacing a seatpost, you can usually find this measurement etched near the bottom of your current post.
Seatpost length is measured in millimeters. It is typically measured from the bottom of the post to the center of the rail mount.
Seatpost Material
Suspension seatposts are designed with comfort in mind.
Seatpost Clamp Style
Buy this product and your entire order ships for free.
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