absoluteBLACK Silver Series line of Shimano 110/5 BCD oval chainrings are designed for pre-2014 cranks like Shimano Dura-Ace FC7900, Ultegra FC6750, Shimano 105 -5750 and many more with 5 bolt fitting. This is a simplified version of our Premium line. Same aluminium, teeth and shifting ramps, but less material machined out on the outer side for easy maintenance and cleaning.
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Size (Mass +/-1g):
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34T (39g), 36T (43g), 50T (150g), 52T (160g)
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Color
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GREY only
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Compatibility
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Shimano Dura-Ace 7900, 7950, Ultegra 6750, Shimano 105- 5700, Tiagra 4650, FSA, Rotor 3D & 3D+, S-works and many more cranks. Also fits SRAM Force and Red but NOT compatible with SRAM cranks that have 1 hidden chainring bolt (Force22, Red22). Compatible with Di2
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BOLTS
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For Outer chainring please order Long bolts
Changing Inner chainring to oval only? use original bolts
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Material & Finish
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cnc machined 7075 Txxx Aluminum. Long-lasting construction. Type II anodizing
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Ovality
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Optimized to each size separately. 34T- 6.5% ; 36T- 11.4%, 50/52 - 10.3% ; Timing of 108 -109.5° after TDC (top dead center) - Ideal for road climbing. Patent Pending
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Silver Series line of chainrings is a simplified version of our state-of-the-art Premium line. They use same aluminium, teeth and shifting ramp design. However they are less machined out from the front for easy maintenance and cleaning.
