Product name:Bike Narrow Wide Oval Single Chainring BCD 104mm
Material:Aluminium Alloy 7075-T6
Bolt Center Diameter:104mm
Fit for XC-AM bike refitting.
Fit bike types:Urban Bike-Fixed Gear,Road Bike-Touring,Tandem Bike,Recumbent Bike,BMX Bike,BMX Bike-Old School,Cyclocross Bike,Dirt Jumper,Folding Bike,Hybrid/Comfort Bike,Mountain Bike..
Every chainring come with 4 bolts.
WHY OVAL DESIGN!
★Exclusive 86 degree design,in the highest degree of the output range of the center point,the tooth disc torque becomes the largest,more usefull of the golden section trample.
★Oval chainrings is more accord with human body engineering, for stampede acting utilization rate,compared with ordinary chainrings has improved significantly,can create a linked more stampede traction,but also can reduce the load of the leg muscle fatigue and knee,make you riding more smoothly.
★It Also confirmed that now more and more cyclists are suitable for the Oval Chainrings disc in the world professional competition to achieve impressive results.
★The design of Narrow Wide teeth, power transmission and high wave tooth contact,improve the life of the Single Speed Chainring.
1.This single bike chainrings ONLY USE FOR 104BCD cranks. Please determine your crank BCD specification carefully before buying,be sure to choose the corresponding crank tooth slice to purchase and installation of BCD.
2.Pay attention to the chain length, generally with the chain through the former single disc and the flywheel,under the condition of without the dial,section 4 section chain more for standard.
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