|
Size (Mass +/-1g):
|
34T (30g), 36T (36g), 38T (41g), 50T (122g), 52T (135g)
|
|
Color
|
Black, Red, Grey (inner ring black only) Bolts are available in black only
|
|
Compatibility
|
Shimano Dura-Ace 7950, Ultegra 6750, Shimano 105- 5750, Tiagra 4650, FSA, Rotor 3D & 3D+, S-works and many more older cranks. Also fits Sram Force and Red but NOT compatible with Sram cranks that have 1 hidden chainring bolt (Force22, Red22). Compatible with Di2
|
|
IMPORTANT
|
If you currently use 53/39T chainrings you have 130BCD cranks (not 110bcd). In this case please look at our 130BCD chainrings as you will not be able to use anything smaller than 53/39T.
|
|
BOLTS
|
For Outer chainring please order Long bolts
Changing Inner chainring to oval only? use original bolts
|
|
Material & Finish
|
cnc machined 7075 Txxx Aluminum. Long-lasting construction, type II anodizing
|
|
Ovality
|
Optimized to each size separately. 34T- 6.5% ; 36T- 11.4%, 38T- 11.4%, 50/52 - 10.3% ; Timing of 108 -109.5° after TDC (top dead center) - Ideal for road climbing. Patent Pending
|
