The Prowheel Charm FD04S is a square-taper 1× MTB crankset with a steel narrow-wide ring — the affordable way to convert an older square-taper bike to a single-ring setup, or replace a bent crank.

Highlights

  • 165 mm crank arms
  • 32T chainring
  • Forged AL-6061-T6, sand black arms
  • Steel narrow-wide 104 BCD
  • 04S compatible
  • Square-taper — uses a 113 mm square-taper bottom bracket (not included)

Prowheel

Prowheel is a Taiwanese crank maker that supplies many bike brands as original equipment; these are the same forged cranks sold as aftermarket replacements.

Fit and compatibility

Square-taper — uses a 113 mm square-taper bottom bracket (not included). Match the speed count to your chain and cassette; a 1× narrow-wide ring works with a clutch rear derailleur.

Prowheel products supplied by Tune Cycles are covered against defects in materials and workmanship under the manufacturer's warranty, handled in Australia through the distributor. Normal wear and tear, crash or impact damage, incorrect installation, modification and misuse aren't covered.

For warranty support, return the item to Tune Cycles with your proof of purchase and we'll manage the claim with the distributor for you. This cover is in addition to your rights under the Australian Consumer Law.

  • 165 mm crank arms
  • 32T chainring
  • Forged AL-6061-T6, sand black arms
  • Steel narrow-wide 104 BCD
  • 04S compatible
  • Square-taper — uses a 113 mm square-taper bottom bracket (not included)
BrandProwheel
ModelCharm FD04S
Type1× MTB, square taper
Crank length165 mm
Chainrings32T
BCD104 mm
Speeds04S
Axle / interfaceSquare taper
Bottom bracketSquare-taper — uses a 113 mm square-taper bottom bracket (not included)
Chainline50 mm (non-Boost)
BoostNon-Boost
Q-factor175 mm
Arm materialForged AL-6061-T6, sand black
Chainring materialSteel narrow-wide 104 BCD
SKU KWT-PRW-CHARM-FD04S32T165
Barcode # 769947202150
Brand Prowheel

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