Our Premium 1X 104 & 64bcd Oval traction chainrings are designed for any cranks that use 104bcd mounting interface.
This is the most common mounting standard for Shimano and other 4 arm cranks.
Chainline: 26&28T (64bcd) - 46mm ; 30T - 48mm ; 32T - 48.5mm ; 34&36T - 50mm
Ovality: Optimised to each size separately. Range: 10.2-14.4% and Timing of 110.5-116.3° after TDC (top dead centre) Patent Pending
Size: (Mass +/-1g): 64BCD: 26T (35g), 28T (42g) 30T 104BCD: 36g - comes with special bolts and spacers- 104BCD: 32T (41g), 34T (44g), 36T (53g)
Advantages of our special Oval chainrings:
Finest design to provide excellent weight to strength ratio
One of a kind special oval shape (Patent Pending)
Unique Patent Pending narrow-wide teeth profiles to keep your chain in place for minimum 12 months!
Special 3D teeth machining for ultimate mud relief decrease wear and noise dramatically
Designed to handle mud and grass with easy
Superb quality and great look.
You will ride faster using ovals. If you keep using round ring then others will get quicker.
Reduces stress on knees and helps to maintain your legs fresher for longer.
You will not "feel" the oval shape at all.
All cranks with 4x 104BCD interface. That means Shimano XT / Zee / Deore / SLX / XTR, Race Face, FSA, E13 and many more. 9, 10, 11 and 12spd Eagle compatible.