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. Minimum insertion: 75mm The 26.0 clamp I.D.fits most modern road handlebars. Shims are available for handlebars with 25.4mm clamp section.
The Dirt Drop is one of the few riser stems designed for drop handlebars. The lower clamp section has slight cutaways on each side that allows a drop handlebar to pass through. - Extention: 80mm or 100mm - Quill Length: 190mm - Clamp Diameter: 26.0mm - Cold forged, heat-treated aluminum These have a standard 22.2 mm (7/8") column which fits standard "one inch" fork steerers. Not designed for rugged off-road use.
These shims let you use a standard 25.4 mm (1 inch) diameter handlebar in an Italian size (26.0 mm) stem. Note: These shims make for a very tight fit. Sometimes only one shim is needed.
Note: Stems with a 1" diameter quill fit 1-1/8"(O.D.) forks. Made of cro-moly steel. 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. This size fits bikes with "oversized" stems. Actual outside diameter of the riser is 1" (25.4) mm. This size was used on some mountain bikes from the 1990s and early 2000s, but it is not as common as the 1 1/8" threadless type used on most newere bikes. Note, you may need to install longer brake and/or shift cables. You'll need a long 6mm allen wrench to tighten the bolt in the stem riser.
These were unavailable for a long time, but we found a new stash! Ideal upgrade for your Schwinn Varsity or other older bike that needs the 21.15 quill size. Aluminum upper section to keep the weight down, with strong steel quill. Forward Exension (reach): 3" Clamp fits ISO standard 1" (25.4 mm) handlebar center.
Super versatile adapter to convert quill type stem to threadless stem - Works with 1" or 1-1/8" quill stems - Works with 1" or 1-1/8" threadless stems - Overall length: 143mm - Outside diameter without shims: 1" top x 7/8"(22.2mm) quill - Outside diameter with both shims: 1-1/8" top x 1"(25.4mm) quill
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