Absoluteblack | Premium Oval Road | Black | 30 Teeth, 4X110 Bcd, Subcompact | Aluminum
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Absoluteblack | Premium Oval Road | Black | 30 Teeth, 4X110 Bcd, Subcompact | Aluminum, Absolute Black Premium Oval Road Absolute BLACK 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. Specs Size (Mass +/-1g): 30T (27g), 32T (30g), 46T (99g), 48T (110g)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 (2x M5 TI / 2x M7 AL) Special bolts are included with 32T (4x M7 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. 5deg after TDC (top dead center) - Ideal for climbing. | Absoluteblack | Premium Oval Road | Black | 30 Teeth, 4X110 Bcd, Subcompact | Aluminum