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KMC Bosch Gen4 Super Narrow chain ring Direct Mount chain lines black

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Item#
Mfg-Item#
Variants
Display mfg part numbers
47.5mm 38 55330345 18.40€
MPN BFCB44738
50.0mm 38 55330346 15.88€
MPN BFCB45038
52.0mm 38 55330348 18.40€
MPN BFCB45238
52.0mm 40 55330367 15.88€
MPN BFCB45240
Please select a variant.

The drive pinion for Bosch engines

Durable direct mount chainring for the fourth generation of Bosch bicycle motors.

highlights

  • Hardened CrMo steel
  • Perfectly matched to KMC chains
  • Maximum efficiency, saves battery
  • Maximum durability, highest precision
  • Easy conversion
  • Direct mount attachment
  • 4.5mm offset
  • Matched to the chain line
  • Compatible with KMC e12, e11, e10, e9, e8 and e1 SingleSpeed chains
  • Size: 1/2'' x 11/128''

Technologies used

In this chapter we explain the technologies that the manufacturer uses in this product.

e-bike
KMC's e-bike chains were specially developed for the requirements of powerful mid-motors. An optimized pin design ensures unmatched durability as the key feature of these chains.

3500KM+
The e1 chain in conjunction with its narrow KMC chainrings and sprockets enables a service life of at least 3,500 km for e-bikes with hub gears.

scope of delivery

  • 1 x KMC Bosch Gen4 Super Narrow chainring (see item description for details)
KMC Bosch Gen4 Super Narrow chain ring Direct Mount 47.5mm  chain lines  38  teeth  black
KMC Bosch Gen4 Super Narrow chain ring Direct Mount 50.0mm  chain lines  38  teeth  black
KMC Bosch Gen4 Super Narrow chain ring Direct Mount 52.0mm  chain lines  38  teeth  black

Über die Marke KMC

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