This particular 104bcd oval chainring will ONLY work with CN-M9100, 8100 & 7100 HG+ 12spd chain due to different thickness and shape of the teeth. 

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.

Size (Weight): 

• 104BCD: 32T (41g), 34T (44g), 36T (53g)

Compatibility: All cranks with 4x 104BCD interface. That means all 104bcd power meter spiders, Shimano XT / Zee / Deore / SLX / XTR, Race Face Sixc, RF Ride, RF Chester, RF Respond, FSA, E13 and many more. ONLY Shimano 12spd HG+ chain

Material: cnc machined 7075 Txxx Aluminum. Long-lasting construction

Chainline:

• 32T - 48.5mm
• 34T - 50mm

Mounting holes: 4 x 104mm BCD (for 32T ring, bolts should be min 6mm long)

Ovality: Optimized to each size separately. Range: 10.2-14.4% and Timing of 110.5-116.3° after TDC (top dead center) Patent Pending

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.