B.O.R Germany FB557-1X 190/197 FatBike Crank Arms with Spider 76mm - black-black

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Description of B.O.R Germany FB557-1X 190/197 FatBike Crank Arms with Spider 76mm - black-black

The FB557-1X is one of the lightest Fatbike cranks on the market (530 grams). It is designed for Fatbikes with a “Rear Dropout Spacing” (RDS) of 190/197 mm and combines all the technical innovations of the 2015 “XM557 platform”, with all the advantages of the B.O.R "Smart Drivetrain Concept" and the "Smart Spindle System".

Detachable spider for one 76mm BCD chainring included.

As Europe’s first Fatbike crank manufacturer B.O.R Germany introduced its first prototype already in the end of 2012. Additional to the 170/177 mm Version now available for 190/197 mm.

Technology:
  • Fully CNC machined (Light Alloy 7022/7010/7051), anodized with noble laser-Logo
  • Scotching - additional surface brushing
  • Crank arm length: 175mm - 165, 170 and 172.5 mm on request
  • Chainline: 73 mm
  • Q-Factor: 211 mm
  • U-Factor: 194 mm
  • K-Factor: 143 mm

Rear-Dropout-Spacing (RDS)
Spindle length, chain line, K-factor and Q-factor of this crank was designed for Fatbikes with 190/197 RDS (Rear Dropout Spacing).

Smart Drivetrain Concept
B.O.R. provide a versatile usability of the crank. Even regular with a spider or "Plug and Play"- power measurement on the spider. Thus B.O.R cranks are “Power Meter-ready” and enable the simplified retrofitting of measuring units from SRM and Power2Max!

Smart Spindle System
Developed in cooperation with Tune 2010, the “Smart Spindle System” serves as the basis for all B.O.R MTB cranks and secures for installing our cranks into 11 different bottom bracket types.

The specific bottom bracket shells and chainrings are available separately.

Standard arm length 175 mm - for 165, 170 or 172.5 mm please contact our service team.

Please note: A Shimano cassette tool (such as the Park Tool FR-5 Freewheel Remover) is required to mount the lock nut. The crank is supplied without a manual.
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Fact Sheet of B.O.R Germany FB557-1X 190/197 FatBike Crank Arms with Spider 76mm - black-black

Product Name: B.O.R Germany FB557-1X 190/197 FatBike Crank Arms with Spider 76mm - black-black
Manufacturer: B.O.R Germany
Item Code: ORB238561
Year: 2016
Manufacturer item code: 03.02.01.526.04.77.77
Material: 7022/7010/7051 aluminium
Weight: approx. 530 gram (without chainrings and spider - manufacturer information)
Crank length (mm): 175mm - 165 / 170 / 172.5 mm on request
Color: crankarms: black
locknuts / lockring: black
Axle profile: 30 mm Smart Spindle System
Bolt Circle (mm): 76 mm asymetric
Chainline: 73 mm
Q-Factor: 211 mm
Included in delivery: crankarms, spindle, locknuts, lockring, bolts, spider
without bottom bracket
without chainrings
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