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In West Newton Since 1952 - On The Web Since 1995
Handlebar Stems from Harris Cyclery
| For Threaded Forks/Headsets | For Threadless Forks/Headsets | ||||
|---|---|---|---|---|---|
| 1 Inch | 1 1/8 Inch | 1 1/4 Inch | 1 Inch | 1 1/8 Inch | 1 1/4 Inch |
| Accessories | Bicycles | Parts | Specials | Tools |
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| For Threaded Forks/Headsets | For Threadless Forks/Headsets | ||||
|---|---|---|---|---|---|
| 1 Inch | 1 1/8 Inch | 1 1/4 Inch | 1 Inch | 1 1/8 Inch | 1 1/4 Inch |
Stems listed in this section have standard 7/8" (22.2 mm) diameter quills, fit most higher quality bicycles made in the 20th century.Exceptions:
Older American bikes that use the 13/16" (21.15 mm) size-Click Here
This would include any U.S. made bike with a one-piece crank , BMX bikes, older Schwinns and some early mountain bikes.Older French bikes that use the 22.0 size-Click Here
These are beautiful, Japanese-made forged aluminum stems with an extra tall column (225 mm overall.) Not as flexible as you were when you bought your bike? Want a more upright position without sacrificing the versatility of your drop bars? This is the ticket! These allow you to raise your handlebars about 2 1/2" higher than traditional stems. These have a standard 22.2 mm (7/8") column which fits standard "one inch" fork steerers. With a small amount of sandpaper work, they can be made to fit the 22.0 mm size used on older French bicycles, but they don't fit the old French handlebars.
- The 25.4 mm clamp size fits most handlebars.
- The 26.0 fits Italian and high-end road handlebars.
| For standard size 25.4 mm (1 inch) handlebars | 50 mm | 60 mm | 70 mm | 80 mm | 90 mm | 100 mm | 110 mm | 120 mm |
|---|---|---|---|---|---|---|---|---|
| For Italian size 26.0 mm handlebars (except Cinelli) | 50 mm | 60 mm | 70 mm | 80 mm | 90 mm | 100 mm | 110 mm | 120 mm |
As a certain Mr. Brown would say, these stems are beauty incarnate! Japanese-made, hand-brazed! Very limited supply.
These have a standard 22.2 mm (7/8") column which fits standard "one inch" fork steerers.
- The 26.0 mm clamp size fits most Italian and high-end road handlebars.
- Quill (column) length: 190mm
- Matte nickel finish
- Traditional wedge expander
Part # Extention (Reach) Click "Cart" Button
for PriceSM1600 80mm
SM1601 90mm SM1602 100mm SM1603 110mm SM1604 120mm 
These beautifully made stainless-steel shims let you use a standard 25.4 mm (1 inch) diameter handlebar in an Italian size (26.0 mm) stem.
See the Quality Catalogue
This is a quill adaptor that fits into a 1 1/4" threaded fork, and allows you to use any 1 1/8" threadless-type stem. Just the thing for Santana tandems!
1 inch threadless stems are a bit of an endangered species; the usual answer is to use a 1 1/8" stem with a shim. That's perfectly safe, but a bit kludgy.
See the Quality Catalogue
Dimension "Pop-Top" Stems
"Dimension" is an exclusive brand from Quality Bicycle Products. They are very light, very stiff, very reliable and we like them a lot!
We generally don't stock many of the sizes. They can be ordered through our QBP Special Order catalogue. 
See the Dimension 1 1/8 threadless listing in the Quality Catalogue
"Pop top" type stems use two bolts and a removeable faceplate to hold the handlebar. This offers a number of advantages:
- The bars or stem can be swapped without removing tape/grips or control levers.
- Since it doesn't work by flexing the aluminum as a single-bolt stem does, they're less fussy about bar diameter, so the same stem can generally be used for 25.4 or 26 mm handlebars.
- Because the face plate is removeable, the barrel of the stem is accessible for drilling out. This allows the stem to have a large diameter for stiffness, but also to be hollow for lightness.
- The stem is reversible, so it may be used either angled up or down, depending on the desired handlebar position.
Other brands are listed here in the Quality Catalogue
See the Quality Catalogue
A stem raiser fits into the steering column in place of your present stem, and secures with a wedge bolt in the normal manner. The upper part of the stem raiser sticks out above the steerer, and is bulged out so that you can insert your original stem. The bottom of the original stem winds up a bit above the top of the headset, so you gain several inches of height.Overall length is 210mm. The bulged section is 100mm.
| Part # | Headset Size | Actual Diameter | Application | Price |
|---|---|---|---|---|
| SM247 | I inch BMX | .833" / 21.15 mm | for older American bikes, BMX, early MTBs | $19.95
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| SM248 | 1 inch Standard | .875" / 22.2 mm | fits most bikes with threaded headsets. | $19.95
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| SM249 | 1 1/8 inch | 1.0" / 25.4 mm | fits oversized forks with threaded headsets. | $19.95
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Note: Steerers are butted at the bottom, so the hole in the steerer is constant-diameter until near the bottom, then the walls taper inward in the butted section. It is vitally important that the stem extender (or stem) is not inserted so far that the wedge is installed where the steerer is narrowing, or it could come loose unpredictably. This is sometimes a problem on smaller frames if you try to insert the stem or a stem riser too far down into the steerer.
These fit onto the steering column in place of your present stem, and secure with a pinch bolt in the normal manner. The upper part of the stem raiser sticks out above the steerer, and is necked down so that you can install your original stem.
Threadless Stem Raisers
Dimension Steerer extender (stem raiser) lets you raise your handlebars by 2 to 3 1/4 inches (50 to 80 mm)Once this accessory is installed, you can also raise, lower or even remove your stem without disturbing the adjustment of your headset.
For 1-1/8" Threadless fork steerers (most common threadless size)
Dimension
ZoomBrand Part Number Steerer O.D. Color Price Dimension SM1977 1-1/8" Black $32.95 Zoom SM2787 1-1/8" Silver $21.95
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