SUNCORD Lightweight Carbon Chainring - BCD130 (5 Arms)
$1,180.00
Color Options
Size Options
50T
52T
54T
56T
SUNCORD Lightweight Carbon Chainring - BCD130 (5 Arms)
Take your BROMPTON, BIRDY, or DAHON to the next level with the SUNCORD Lightweight Carbon Chainring - BCD130 (5 Arms) — a premium lightweight upgrade engineered for folding bike enthusiasts. Crafted from aircraft-grade aluminum alloy fused with carbon fiber composite, this chainring is produced through advanced carbon fiber molding technology — NOT cut directly from a carbon plate — ensuring superior strength, rigidity, and long-lasting durability.
Whether you're chasing weight savings, better shifting performance, or a head-turning aesthetic, SUNCORD delivers.
✨ Key Highlights
- 🪶 Ultra-Lightweight – Starting at just 81g (50T), a significant weight drop vs. stock alloy chainrings
- 🔧 Molded Composite Construction – Carbon fiber + aluminum alloy for optimal stiffness and durability
- ⚙️ Narrow-Wide Tooth Profile – Prevents chain drop, ideal for 1x (single chainring) setups
- 🎨 Multiple Weave Patterns & Colours – 3K / 12K / UD finishes plus exclusive coloured fibers
- 🚲 Folding Bike Ready – Fits BROMPTON, BIRDY, DAHON & other 130 BCD 5-arm cranksets
- 🔗 Wide Drivetrain Compatibility – Works with 9–12 speed chains (NOT compatible with SRAM AXS 12-speed chain)
📋 Specifications
| Specification | Details |
|---|---|
| Brand | SUNCORD |
| Material | Aluminum Alloy + Carbon Fiber Composite |
| Manufacturing Process | Carbon Fiber Molding Technology + Narrow-Wide Tooth Profile (not CNC cut from a carbon plate) |
| Sizes Available | 50T / 52T / 54T / 56T |
| BCD | 130mm / 5-Arm |
| Drivetrain Compatibility | 9–12 Speed (NOT compatible with SRAM AXS 12-speed chain) |
| Crank Compatibility | 130 BCD 5-Arm Cranksets |
| Suitable For | BROMPTON / BIRDY / DAHON & other folding bikes (Single Chainring setup) |
| Weight | 50T – 81g|52T – 90g|54T – 95g|56T – 107g |
| Pattern / Finish | 3K / 12K / UD / Special Colour (see photo) |



