Saddles, rigid seatposts and dropper posts in Australia — Fizik, Selle Italia, Selle San Marco, Specialized, WTB, BikeYoke, OneUp, RockShox Reverb and more. Filter by seatpost diameter, dropper travel and saddle rail material to fit your bike.
Saddles · Rigid seatposts · Dropper seatposts · Seatpost clamps · Dropper remotes
Drivetrain · Wheels & Tyres · Brakes · Cockpit · Suspension · Frames & Frame Parts · E-Bike Components · Small Parts & Hardware · Pedals & Cleats · Tools & Maintenance · Accessories
Treadli lists new and used saddles & seatposts for sale across Australia from private sellers and retailers. Every transaction is covered by buyer protection.
Each listing shows the relevant specs (standard, size, speed, axle, wheel size where applicable) so you can confirm compatibility before buying. Message the seller from the listing page if you need to confirm a detail.
Yes. Payments are held by Treadli until you confirm the part arrived as described, and shipped items require tracking — so disputes can be resolved before the seller is paid.
Yes. Listing is free and takes a few minutes. Treadli only takes a small fee on completed sales.
Bikes for sale across Australia: Sydney, Melbourne, Brisbane, Perth, Adelaide, Canberra, Hobart, Darwin, Gold Coast, Newcastle, Wollongong and Geelong.
Browse by category: road bikes, mountain bikes, gravel bikes, electric bikes, hybrid bikes and kids' bikes.
Helpful tools: Buyer guides · Bike comparisons · Buyer protection · Sell your bike · Find my bike requests · Free listing analyzer · Australian bike shops.