DJC Components 110BCD 4-Bolt Road Bike Double Chainring Oval 50-34T 52-36T 53-39T 54-40T for Shimano 105 Ultegra Dura Ace R7000 R8000 R9100 R9200
Compatible for Shimano 4-bolt road cranksets.
BCD: 110BCD
Bolt Pattern: 4 Bolt
Material: AL7075-T6 CNC Machined
Surface: Hard Anodized
Chain Compatibility: 8/9/10/11/12 Speed
Available Sizes:
50-34T
52-36T
53-39T
54-40T
for Shimano Tiagra 4700
for Shimano 105 5800 / R7000 / R7100
for Shimano Ultegra 6800 / R8000 / R8100
for Shimano Dura-Ace 9000 / R9100 / R9200
Oval Chainring
50-34T: 190g, Max Ø210mm
52-36T: 205g, Max Ø220mm
53-39T: 230g, Max Ø225mm
54-40T: 260g, Max Ø230mm
✔ Precision CNC Machined AL7075-T6
✔ Lightweight Hollow Structure
✔ Smooth and Precise Shifting
✔ Anti-Drop Pin Design
✔ Optimized Mounting Interface for R7100 / R8100 / R9200
Chainring Set
1 Pair Double Chainrings













