Montague Octagon Steerer Extender 1-1/8" Threadless: Long, Height adjustable by quick release up to 4 inches


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Our Price $39.95

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Montague Octagon quick release height adjustable steerer extenders.
  • Long length adjusts up to 4 inches
  • Fast, easy handlebar height adjustment without tools
  • Octagonal shape keeps steering engaged while raising and lowering the stem
  • Automatically maintains minimum insertion
  • Clamps to top of steerer, original stem clamps to top of Octagon device
  • Due to variations in aluminum steerer tube wall thickness, the manufacturer specifies usage only with 1-1/8" threadless steel steerer tubes
  • Must be installed by a professional bicycle mechanic
Item Specifications
Steerer Size1-1/8"
Stem Size1-1/8"


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