Seatposts & Clamps

Good condition. Some surface rust. 25mm diameter. 170mm length. 3 inch wide seat mounting bracket. Includes seat mounting bolts. Original post on Leader Victoria Precision loaf seat mx and muscle bikes. Leader Victoria Precision Seatpost for Loaf Style MX Bike Seat

Good condition. Unknown fit. 65mm shaft length below clamp. Post shaft is 10mm square. 25mm seat rail spacing. Black. This one is a mystery and seems to be very rare. It is the only vintage tricycle seatpost we have seen that utilizes an integrated seat clamp. Antique Tricycle Seatpost and Clamp

Good condition. No damage. Finish is moderately marked and tarnished. Common fit on many antique and vintage children's tricycles. 100mm vertical section. 60mm angled section. 11mm (7/16in) lower diameter. 16mm (5/8in) upper diameter. Antique Tricycle Seatpost #1

Good condition. Common fit on many antique and vintage children's tricycles. 90mm vertical section. 70mm angled section. 11mm (7/16in) lower diameter with 3 flats for height adjustment. 12mm (15/32in) upper diameter with flat on underside of clamping area. Antique Tricycle Seatpost #2

Good condition. No damage. Nuts and threads are good. Fits the most common antique and vintage tricycle seatpost sizes. 25mm (1in) seat rail spacing. 11mm (7/16in) or 16mm (5/8in) clamp ring - select from drop-down menu. Black. Antique Tricycle Seat Clamp - 2 Sizes

Excellent condition. Lightly used with some minor scuffs and scratches. 195mm long from bottom to clamp centre. 27.2mm diameter. 20mm rear offset. Gipiemme Crono Sprint White Laser Seatpost 27.2mm

Good condition. Removed from a Wards Hawthorne 24in pre-war girl's cruiser. 208mm long. 16mm diameter. Seat clamp stops 45mm from top of post. No damage - post is straight.

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Having trouble finding that old vintage seatpost size for your bike? Grab a common 25.4mm post and use one of these CNC machined shims to get your trusty steed back on the road. CNC machined aluminum. 70mm long to provide stable clamping. Available in a variety of thicknesses - choose size from drop-down...

Having trouble finding that old vintage seatpost size for your bike? Grab a common 27.2mm post and use one of these CNC machined shims to get your trusty steed back on the road. CNC machined aluminum. 70mm long to provide stable clamping. Available in a variety of thicknesses - choose size from drop-down...

Want to keep that sweet old 26.8mm seatpost and fit it to a frame wiht a 27.2mm seat tube? Just use one of these CNC machined shims to get your trusty steed back on the road. CNC machined aluminum. 70mm long to provide stable clamping. Tamer Seatpost Shim for 26.8mm to 27.2mm

Good condition. Appears to be cast iron. Heavily corroded but fully functional. 33mm seat rail spacing. Accommodates up to 17mm seatpost. Designed for dog-leg style seatpost. Antique Bicycle Seat Clamp

Fair condition. Front section from a 1920s Colson Fairy Baby-Bike #40. Head badge is in good condition. Reads: THE COLSON CO. BABY-BIKE ELYRIA, O.-U.S.A. Seatpost bolt is broken off in the frame section. Colson Fairy Baby-Bike #40 Front Frame Section with Head Badge and Seatpost

New old stock. Seat fixing bolt for '80s and '90s Leader Victoria Precision tricycles. 3/8in x 16TPI. 3/4in long threaded section. Leader Victoria Precision Tricycle Seat Bolt - NOS

New old stock. Chrome is perfect. Some light tarnish on the shaft from age. 8mm shaft diameter. 25.2mm inside length with lever closed. Two adjusting nuts - one knurled, one hex. Made in Japan. Suntour Vintage Seat Quick Release Skewer - NOS

New old stock. Chrome is good. 8mm shaft diameter. 33.5mm inside length with lever closed. Includes two contoured spacers. Kalloy Vintage Seatpost Quick Release Skewer - NOS

New old stock. Chrome is good. White plastic cover has some light marks and stains from age. 8mm shaft diameter. 31mm inside length with lever closed. Verma Vintage Seatpost Quick Release Skewer - NOS

New old stock. Chrome is good. Some minor blemishes and tarnish from age. White plastic cover has some light marks and stains from age. 8mm shaft diameter. 31mm inside length with lever closed. 29mm clamp diameter. 26mm clamp depth. Verma Vintage Seatpost Quick Release Skewer with Clamp- NOS

Good condition. 138mm long. 18mm diameter. Standard 22.2mm (7/8in) seat clamping area. Post is straight. Chrome has some scrapes and scratches from use. 18mm Antique Bicycle Seatpost

Good condition. 24mm diameter. Standard 22.2mm (7/8in) seat clamping diameter. Post is straight. Chrome has some scrapes and scratches from use. 2 lengths available: 200mm overall. 230mm overall. Please select from drop-down menu. 24mm Vintage Bicycle Seatpost

Good condition. Shaft is lightly scored from use. 25.4mm shaft diametre. 220mm shaft length. Original pre-Cane Creek ThudBuster seatpost. Quadra-Pivot design eliminates binding accociated with telescopic suspension posts. All pivots are snug with no side play. Seatpost clamp serrations are in good condition....

Good condition. Shaft is lightly scored from use. Head has some heavy tarnish from age. 26.8mm shaft diameter. 165mm shaft length. Double bolt clamp allows for micro adjustment of seat angle. Shaft is demarcated for accurate post height setting. Made in Japan. SR Royal Seatpost 26.8mm

Good condition. Shaft is moderately scored from use. Some tarnish from age. 25.4mm shaft diameter. 160mm shaft length. Seat clamp serrations are in good condition. Fluted shaft. Made in Japan. Date stamped 1980. SR Custom P6 Seatpost 25.4mm

Good condition. Shaft is lightly scored from use. Finish is tarnished from age throughout. Top nut is not original but functions properly. 26.4mm shaft diameter. 163mm shaft length. Seat clamp serrations are in good condition. Fluted shaft. Made in Japan. Date stamped 1979. SR Custom P5 Laprade Seatpost...

New old stock. Shaft has some light marks at the base from a failed attempt to insert the post into a frame. Finish has some light scratches and tarnish from age. 27.2mm shaft diameter. 156mm shaft length. Fluted shaft with contoured top. Made in Japan. Date stamped 1983. SR Custom P5 Laprade Seatpost...

Good condition. 240mm overall length. 25.8mm diameter. Standard 22.2mm (7/8in) seat clamping area. Post is straight. Chrome has some moderate scrapes and pitting. For use in frames with no seatpost clamp. Post uses a quill wedge similar to a quill stem. Bridgestone 25.8mm Internal Clamp Bicycle Seat...

Good condition. 155mm x 21mm (7/8in) vertical shaft. 72mm x 16mm (5/8in) horizontal shaft. Vertical shaft has some small dents on the forward side. Surface has many scrapes and scratches from use. Unknown brand. Pre-war vintage. 21mm x 16mm Antique Forward Angle Seatpost

Fair condition. 140mm x 22.2mm (7/8in) vertical shaft. 57mm x 22.2mm (7/8in) horizontal shaft. Horizontal shafts have multiple small dents and deformities. Finish is deteriorated from use and age. Unknown brand. Pre-war vintage. Forward or rearward angle - please choose from the drop-down menu. 22.2mm...

Fair condition. 210mm x 27mm (1 1/16in) vertical shaft. 50mm x 22mm (7/8in) horizontal shaft. Both shafts have some small dents and deformities from use. Surface has many scrapes and scratches. Unknown brand. Chrome is decent. 27mm x 22mm Antique Forward Angle Seatpost

Good condition. 204mm overall length. 22.2mm (7/8in) diameter. Seat clamping area has two small stops to prevent the seat clamp from sliding down the post. Post is straight. No dents. Finish has scrapes and scratches from use. 22.2mm 7/8in Vintage Bicycle Seatpost