NC-17 S-Pro shiftable chain rings

Our top-end chain rings are called S-Pro for three reasons:

• Super durable steel shifting ramps
• Slick shifting is ensured by specially profiled teeth at two points on the ring
• Special HB-80 surface coating reduces friction between chain and chainring.

Of course we have safety pins to stop the chain falling off and jamming between the crank and chainring.

New! The NC-17 S-Pro shiftable 4 bolt chainrings are now available with 26 and 38 teeth. With these new dimensions you will find your perfect transmission ratio in combination with dualspeed chain tensioners.

Which bolt diameter does my crank have?
Our templates may help you

Technical facts:

• for 8- and 9-speed
• Material: 7075-T6 Aluminum
• CNC-made with steel shift guides
• Bolt pattern: 104mm (4-bolt)
• BH 80 coating
• 22-46 teeth
• Weight: 31-98gram
• Color: black with laser engraving
• Made in Canada

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order number:

NC-17 chain ring, 22 teeth, 64mm, 4 bolt, black, XT/LX/STX	5101	 
NC-17 chain ring, 24 teeth, 64mm, 4 bolt, black, XT/LX/STX	5102	 
NC-17 chain ring, 26 teeth, 64mm, 4 bolt, black, XT/LX/STX	5110	 
NC-17 chain ring, 32 teeth, 104mm, 4 bolt, black, XT/LX/STX	5103	 
NC-17 chain ring, 34 teeth, 104mm, 4 bolt, black, XT/LX/STX	5104	 
NC-17 chain ring, 36 teeth, 104mm, 4 bolt, black, XT/LX/STX	5105	 
NC-17 chain ring, 38 teeth, 104mm, 4 bolt, black, XT/LX/STX	5111	 
NC-17 chain ring, 42 teeth, 104mm, 4 bolt, black, XT/LX/STX	5106	 
NC-17 chain ring, 44 teeth, 104mm, 4 bolt, black, XT/LX/STX	5107	 
NC-17 chain ring, 46 teeth, 104mm, 4 bolt, black, XT/LX/STX	5108

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