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Amazon.com : Seatpost Adapter Shim, Bicycle Seat Post Tube Adapter, Seatpost Reducing Sleeve Shim for Mountain Bike, Road Bike, MTB, BMX, Fixie Gear. 25.4mm to 27.2mm : Sports & Outdoors
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30.9 to 31.6mm Bike Seat Post Tube Adapter Reducing Sleeve Adapter | eBay
Amazon.com: MTBHOME Bike Seatpost Clamp Bike Seat Adapter Fit for Standard Rail-type Bicycle Saddle (7/8", Black) : Sports & Outdoors
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Amazon.com : Seatpost Adapter Shim, Bicycle Seat Post Tube Adapter, Seatpost Reducing Sleeve Shim for Mountain Bike, Road Bike, MTB, BMX, Fixie Gear. 25.4mm to 27.2mm : Sports & Outdoors
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Amazon.com : Seatpost Adapter Shim, Bicycle Seat Post Tube Adapter, Seatpost Reducing Sleeve Shim for Mountain Bike, Road Bike, MTB, BMX, Fixie Gear. 25.4mm to 27.2mm : Sports & Outdoors
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Amazon.com : Seatpost Adapter Shim, Bicycle Seat Post Tube Adapter, Seatpost Reducing Sleeve Shim for Mountain Bike, Road Bike, MTB, BMX, Fixie Gear. 25.4mm to 27.2mm : Sports & Outdoors
Fairnull Bike Seatpost Shim Easy to Install Aluminium Alloy 25.4/27.2/31.6mm Cycle Seatpost Reducing Sleeve Adapter Riding Equipment - Walmart.com
