- EPS Compatible
- Forged aluminum arm/spider design with an integrated Power-Torque bottom bracket spindle
- Enhanced Shifting Performance (ESP) Actuation System features two specialized sectors of the chainrings, an up-shift and a downshift section, for instantaneous shifting
- Light alloy 11 speed chainrings with hard anodization, corrosion-proof and wear-proof treatments. Large chainring with ramps and 8 pins, plus alloy chainring and fixing bolts
- 39/53t ( Standard 135mm BCD)
- Power-Torque outboard bearing cupsets or integrated adaptors sold separately.
- Weight: 812 grams
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