Phil Wood seatpost collar
USA orders totaling $100 or more receive free shipping.
This applies to standard shipping in the contiguous 48 states and military APO/FPO addresses only. Oversized items are excluded from the free shipping offer.
All other shipping charges are shown in the cart before checkout. Free shipping does not apply to orders shipping outside the USA.
For complete information, please see our Shipping page.
If you are a local customer choosing the Store Pickup option at checkout,
please wait to receive an email saying your order is ready before coming to pick it up.
Local orders may not be ready the same day they are placed.
Returns for eligible products are accepted within 30 days of the purchase date. Some exclusions apply.
For complete information, please see our Returns page.
Phil Wood & Co. seatpost collars are machined from solid USA-produced billet aluminum to the same extremely high quality standards applied to all Phil products.
• available sizes: 30.0, 31.8, 34.9mm
• weight 34-42g
• available in eight colors
Not sure which size you need? Don't just take a wild guess - measure your seat tube or ask us!
Helpful hints: Most steel frames that take a 26.8 or 27.2mm seatpost use a 30.0 collar. Most aluminum frames that take a 27.2mm seatpost use a 31.8 collar. Aluminum frames that take a 31.6mm seatpost use a 34.9 collar.