B.O.R Germany FB557-1X 190/197 Fatbike Crankset - black-blue

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Description of B.O.R Germany FB557-1X 190/197 Fatbike Crankset - black-blue

Starting at 565 grams (30T) the FB557-1X is one of the lightest 1X Fatbike cranks on the market. It is designed for Fatbikes with a RDS (Rear Dropout Spacing) 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".

With the XX1-compatible 76 mm BCD (like SRAM XX1) it provides easily replaceable 30T - 32T - 36T - 34T - 38T chainrings. They are lighter than other XX1-compatible rings and undergo a multi-stage, complex surface treatment that aims at high surface hardness and durability (Triple-Surface-Treatment).

Technology:
  • Fully CNC machined (Light Alloy 7022/7010/7051), anodized with noble laser-Logo
  • Scotching - additional surface brushing
  • Crank arm lenght: 175mm - 165, 170 and 172.5 mm on request
  • Chainline: 73 mm
  • Q-Factor: 211 mm
  • U-Factor: 194 mm
  • K-Factor: 143 mm
  • Bolt Circle Diameter (BCD): 76 mm / 4-arm
  • For 1x10-speed or 1x11-speed drive

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

Product Name: B.O.R Germany FB557-1X 190/197 Fatbike Crankset - black-blue
Manufacturer: B.O.R Germany
Item Code: ORB238591
Year: 2016
Manufacturer item code: 03.02.01.526.04.13.07
Material: 7022/7010/7051 aluminium
Weight: approx. 565 gram (at 30t chainring and spider - manufacturer information)
Crank length (mm): 175mm - 165mm / 170mm / 172.5mm on request
Color: crankarms / chainring: black
locknuts / lockring / spider: blue
Axle profile: 30 mm Smart Spindle System
Bolt Circle (mm): 76 mm (4-arm)
Chainline: 73 mm
Q-Factor: 211 mm
Included in delivery: crankarms, spider, chainring, spindle, locknuts, lockring, bolts
bottom bracket
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B.O.R Germany FB557-1X 190/197 Fatbike Crankset - black-blue
Delivery time 3-5 daysChainring: 30 teeth
Delivery time 3-5 daysChainring: 32 teeth
Delivery time 3-5 daysChainring: 34 teeth
Delivery time 3-5 daysChainring: 36 teeth
Delivery time 3-5 daysChainring: 38 teeth
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