Top 9 Quill Stem Adapter – Bike Stems

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1. Profile Designs

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Profile Design Threadless Size Converter 1", 1 1/8"

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Profile Designs #ad - Converts all quill style forks to use threadless stems. Converts 1 inch to 1-1/8" threadless. Weight: 08 ounce.
BrandProfile Designs #ad
ManufacturerProfile Design #ad
Height1.5 Inches
Length5.75 Inches
Weight0.37 Pounds
Width1.25 Inches
Part Number15920002
ModelACTHRCONKT18

2. UPANBIKE

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UPANBIKE Road Mountain Bike Bicycle Stem Riser Adapter 1 1/8" 150mmφ22.2mm Black

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UPANBIKE #ad - Base diameterupper diameter: 1 1/8” 28. 6mm. Raises the height of your handlebars by increasing the height of your stem. Material:Aluminium Alloy. Converts a threaded quill setup to threadless. Total length:150mm. Steerer tube diameter:22. 2mm/25. 4mm.
BrandUPANBIKE #ad
ManufacturerAbuyamoy #ad
Part Number50-155

3. Origin8

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Black, 22.2/28.6, Origin8 Quill Adapter

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Origin8 #ad - Allows stem height raise of 1". Converts a threaded quill setup to threadless. Al7075-t6 aluminum with a chromoly bolt.
BrandOrigin8 #ad
ManufacturerOrigin8 #ad
Height6 Inches
Length6 Inches
Weight0.36 Pounds
Width2 Inches
Part Number58565
Model58565

4. LQ Industrial

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LQ Industrial Bike Fork Stem Extender 22.2mm/0.87inch Black Aluminum Alloy Road Mountain Bike Bicycle Stem Riser Adapter for 1 1/8" Threadless Steerer Tubes

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LQ Industrial #ad - Material: aluminum alloy. Dimensions: total length: 160mm 6. 3in, bottom diameter upper diameter: 1-/8Inch 28. 6mm, steering tube diameter: 22. 2mm 087in. Packing: 1PC. Use all size suitable bicycles. Working principle: after inserting the heart into the tube, the oblique nut and the tube are misaligned due to the oblique opening, lock the screw rod, so as to expand to achieve the function of tightening the inner wall. Sturdy, corrosion-resistant, durable and can be used for a long time.
BrandLQ Industrial #ad
ManufacturerLQ Industrial #ad
Part NumberBFSERAST-1

5. BNVB

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BNVB Aluminum Alloy Bike Fork Stem Quill Riser Extender Extension Road Mountain Bicycle Stem Head Up Raiser Handlebar Riser Adapter φ28.6mm x 150mm Black 25.4mm

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BNVB #ad - Size: base diameterupper diameter: 1 1/8” 28. 6mm; steerer tube diameter:22. 2mm/25. 4mm; total Length:150mm. Rise the height of your handlebars by increasing the height of your stem. Perfect for most bikes: the stem riser is suitable for most bike with 1-1/8''28. 6mm threadless steerer. Material: 6061 aluminium alloy With polished anodized finish, Secure, Solid, Durable . Easy installation, just connect up the original front fork stem.
BrandBNVB #ad
ManufacturerBNVB #ad
Part NumberStemRise-Bk25

6. BaveL

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Bicycle Stem Adaptor 22.2mm to 28.6mm for 1-1/8" Threadless Stem Black

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BaveL #ad - Bike types:mountain, BMX, Road Bike, City bike. Length:150mm. Size:22. 2mm to 28. 6mm. New stem adaptor allows the use of an 1-1/8" threadless stem on a bike with a 1" threaded fork. Material: weight:164g-176g.
BrandBaveL #ad
ManufacturerBicycle Stem Adaptor 22.2mm to 28.6mm For 1-1/8" Threadless Stem #ad
Height1 Inches
Length8 Inches
Width2 Inches
Part Numberdms1400012

7. Daiky

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Daiky Extender Road Mountain Bike Bicycle Stem Riser Adapter 1 1/8" φ22.2mm 25.4mm150mm Black, 22.2mm

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Daiky #ad - Material:Aluminium Alloy. Steerer tube diameter:22. 2mm/25. 4mm. Base diameterupper diameter: 1 1/8” 28. 6mm. Converts a threaded quill setup to threadless. Total length:150mm.
BrandDaiky #ad
ManufacturerDaiky #ad
Part NumberDaiky

8. Deda

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1" quill, Deda Spada Quill Bicycle Stem Adapter Black 1" threadless

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Deda #ad - Aluminum construction with top-mount bolt/cap. Will also work on 1-1/8" stems with 1" reducer shim. 142g. Adapts 1" threadless stems to 1" 22. 2mm-id threaded steerer tubes.
BrandDeda #ad
ManufacturerDeda #ad
Height6 Inches
Length6 Inches
Weight0.55 Pounds
Width6 Inches
Part NumberSPADA
ModelSPADA

9. SENQI

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Panda Software SENQI Bike Threadless Stem Handlebar Fork Stem Adapter 25.4mm Silver

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SENQI #ad - Size: small head:25. 4mm, big head: 28. 6mm. Process:3D forging. Brand: 100% new brand;. Material:al6061-t6 aluminum with a chromoly bolt. 25. 4mm stem is suitable for the 28. 6mm outer diameter fork steerer.
BrandSENQI #ad
ManufacturerCHENGDA Cycing CO;LTD #ad
Part NumberBLX001-silver-25.4