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Bicycle Components & Parts

julio 27, 2026

Three Vintage SR (Sakae/Ringyo) Seat Posts – 26.6 mm Laprade

Lot of 3 seat posts from old road bikes. Laprade one is a little longer. See measurements in photos. - - - This product is a set of three vintage SR seat posts, made of aluminum and 26.6 mm in diameter. The seat posts are adjustable and 220 mm in length, making them suitable for road bikes, racing bikes, and touring bikes. The silver color and sleek design add a classic touch to any bicycle, providing riders with a comfortable and adjustable seating option. Ideal for those looking to upgrade or replace their current seat posts with high-quality, durable components from a reputable brand like SR.
julio 27, 2026

31.8x450mm Bicycle Seat Post Aluminum Alloy Tube Universal for MTB Mountain Bike

Feature:Easy to install. Made of aluminum alloy, durable materials for long time service.Suitable for most of mountain bikes, road bikes, MTB, etc.There is a safe line mark on the seat post. Please insert at least above the minimum safety line.Specification:Material: Aluminum AlloyColor: Black Thickness: 2.5mm / 0.1" Dimension: 450x31.8mm / 17.72"x1.25"(L*D)Hole 1 Size: 31.8x27mm / 1.25"x1.06"(OD*ID)Hole 2 Size: 22x16mm / 0.87"x0.63"(OD*ID)Installation Step:1. Release the bolt of the old seat and unload the seat;2. Fix the seat on the new seat;3. Install it on your bicycle rack.Note:The size is measured by hand, so it may have a little 1-2 mm difference.Please do measure the actual outer diameter then choose the actually required diameter or measure the inner diameter of the frame tube before purchasing.