absoluteBLACK, chainring, OVAL, MTB, 104/4 N/W, BLACK - BLACK, 30 teeth

the 30 tooth chainring contains special bolts. To reorder: BOLTSOV30

AB Premium 1X 104 & 64bcd Oval traction chainrings are designed for any cranks that use 104bcd mounting interface.

26 & 28 teeth 64mm BCD
30 - 36 teeth 104mm BCD

Fits : 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.

CompatibilityAll cranks with 4x 104BCD interface. This means

Shimano XT / Zee / Deore / SLX / XTR, Race Face Sixc, RF Ride, RF Chester, RF Respond, FSA, E13 and many more. Not compatible with Shimano HG+ chain

Material CNC-machined 7075 Txxx aluminum. Durable construction. Type II anodizing
Chainline 26&28T (64bcd) - 46mm; 30T - 48mm; 32T - 48.5mm; 34&36T - 50mm

Mounting holes 4 x 104 mm BCD (for 32T ring the bolts should be at least 6 mm long)

Ovality Optimized for each size separately. Range: 10.2-14.4 % and timing from 110.5-116.3° after TDC (top dead center)

IMPORTANT:

The 32-tooth chainring has built-in 2 mm spacers and threaded holes (M8x0.75) to accommodate this size on the spider. Other sizes have normal 10 mm holes.30T chainring has built-in 2.5 mm spacers and threaded holes (M8 / M5) to accommodate this size on the spider. Screws and spacers are also included: 2x M8 aluminum screws T30 Torx, 2x M5 steel screws T25 Torx and 2x eccentric spacers. An oval 30-tooth chainring does not fit on some power meters, such as SRAM Quarq Dzero 104 BCD. If you are not sure whether it fits your power meter, please contact our customer service.

If you want to check the frame spacing with a new oval ring, please find below the measurement of the largest dimension of the oval (tooth tip to tooth tip): 26T: 118 mm; 28 teeth: 127 mm; 32 teeth: 143 mm; 34 teeth: 151 mm; 36 teeth: 159 mm