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FIFTY-FIFTY 1-1/8" aluminum MTB stem 50mm 31.8mm handlebar

FIFTY-FIFTY ★ 4.1/5 · ItemOracle Score Mid-Range

$55 USD
Price subject to change
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FIFTY-FIFTY Aluminum Alloy Mountain Bike Stem for 1-1/8 Steer Tube 31.8mm Handlebar, Short Handlebar Stem for All Mountain, MTB, Downhill, Freeride

Mountain bike stem in 6061T6 aluminum, CNC machined for lightweight performance. Offers 1-1/8" steerer compatibility and 31.8mm handlebar fit. Customers note easy installation and good value

Highlights

  • lightweight 160g
  • 6061T6 aluminum CNC machined
  • compatible with 1-1/8" steerer and 31.8mm bars

Pros

  • 6061T6 aluminum construction
  • lightweight design about 160g
  • heavily machined/CNC finish
  • compatible with 1-1/8" steerer and 31.8mm handlebars
  • ease of installation

Cons

  • no explicit compatibility beyond stated sizes
  • no information on warranty or torque specs
  • limited customer insight on long-term durability

Best For

  • downhill setups
  • all-mountain bikes
  • enduro builds
  • short-stem upgrades
  • race-focused XC upgrades
  • lightweight handling improvements

Features

  • Made from 6061T6 aluminum with full machining
  • CNC machining and FEA optimize weight for a lighter stem
  • Weight: 160g (5.64 oz) for a 50mm, 0-degree rise stem
  • Steerer tube diameter: 28.6mm (1-1/8"), handlebar diameter: 31.8mm (1-1/4")
  • Four-bolt bar clamp and close-gap face plate for easy installation

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