Description
Our Premium Shimano 110/4 bcd oval chainrings are designed for new type of Shimano cranks like Dura-Ace 9000, Ultegra 6800, 105- 5800 and others. These are finest shift-able oval chainrings on the market.
Weight (+/-1g)
– 50T (120g)
– 52T (137g)
– 53T coming soon
Colour
– Black, Racing Red, Grey (inner ring in black only)
Compatibility
– Shimano Dura-Ace 9000, Ultegra 6800, Shimano 105 5800, Tiagra 4700
BOLTS
– For Outer chainring please order Long bolts
– Changing Inner chainring to oval only? use original bolts
Material & Finish
– CNC machined 7075 Txxx Aluminium. Long-lasting construction. Type II anodizing
Ovality
– Optimized to each size separately
– 50/52 – 10.3%
– Timing of 108 -109.5° after TDC (top dead center)
– Ideal for road climbing
