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FIRST Bicycle Components Co., Ltd.
Fat Bike cranks,crank set,First components,Cranksets,bicycle crank, Manufacturer and Supplier - Taiwan(TW)
Information for Buyers
Road Bike Cranksets (Fits Standard Road Bike)
External BB Axle Integrated Triple-Chainring Crankset
Take statistics of hardness, electrical conductivity and crystal as the standard to reinforce the strength on
integrated forging 7050 crank arm and imported European aluminum 7075 100% CNC chain rings for
With 6 points index shifting up design of the chain rings will provide faster, smoother and precisely shifting
transfer ofyour bike and make you take the lead.
Unique design of lower pressure angle that reduces the load of chain rings, makes the transmission better,
increases the chain’s life and enlarges the width of the bottom curve for adapting changes of different chain
distance and increasing 15% transmission efficiency.
100% CNC Production
‧ Crank: Forged AL7050-T73 with High Polished Anodized Silver/ Black/Gray Finish
‧ Length: 165mm, 170mm, 172.5mm, 175mm
‧ BCD: 130 mm
‧ Chainring: 52x39x30T, 50x39x30T (AL7075-T73)
‧ Spindle: Cr-Mo SCM440
‧ Speed: 10/11
‧ Chainline: 45mm
‧ Weight: 940g±10g /175mm (BB Not Included)
ET86/ETm86-for Press-Fit BB86 W/Spindle φ24
ET30/ETm30-for External Threaded BB W/Alloy Spindle φ30
ETF30/ETmF30-for Press-Fit BB W/Alloy Spindle φ30
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