Dimension Two-Bolt Seatpost - Matte Black Bike Accessories_Rear Derailleur Packs down to fit in

Packs down to fit in a backpack when not in use

Double bolt centering design

customized fit without any irritating pressure points

BTA Construction: Injected nylon/glass fiber construction

Dimension Two-Bolt Seatpost - Matte Black Bike Accessories_Rear Derailleur Packs down to fit inDimension Two Bolt Seatposts provide a sturdy and durable saddle perch for cross country and all mountain riding in three diameters, rigorously tested to ISO 4210 Mountain standards. Constructed with AL 6061 T6 aluminum Shot peened finish Offset (mm): 0 Color: Matte Black Clamp Style: Standard Rails Material: Aluminum Length: 350 Diameter: 30. 9, 31. 6 Defined Color: Black