AbsoluteBLACK introduces premium Gravel oval chainrings in Sub-compact (super compact) sizes to improve your climbing and cadence. It's one of the finest oval chain-rings on the market, providing you with smooth shifting and smoothness of pedaling and manufacturing quality. These in are specifically designed for Shimano, 9100/8000 cranks, but can be retrofitted to fit 9000 and 6800 cranks. They’re also made from CNC machined 7075 Txxx Aluminum, making them light weight, strong and durable.
Color: Black, Grey, Champagne (inner ring in black only)
Compatibility: Shimano Dura-Ace 9100, R9120, R9150 & R9170 Di2 and Ultegra 8000, R8020, R8050 & 8070 Di2. They can also retrofit all 9000 and 6800 series cranks but use bolt covers for best appearance. 10 / 11 / 12spd compatible.
BOLTS: Special bolts are included with 30T (2xM5 TI / 2xM7 AL) Special bolts are included with 32T (4xM7 AL)
Material & Finish: cnc machined 7075 Txxx Aluminum. Long-lasting construction. Type II anodizing
Ovality: Optimized to each size separately. 30T- 9% ; 32T - 8% ; 46/48T - 10-11.2% ; Timing of 108 -110.5° after TDC (top dead center) - Ideal for climbing.
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