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e*thirteen
e*thirteen Helix R Chainring - 30t, 11/12-Speed, 52/55mm Flip Flop CL, 3.5mm Offset, e*thirteen DM, Silver
MPN: CR4HRA-154 · UPC: 4711280343478
$72.95
Low Stock — 2 left (Warehouse)
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Select Option: e*thirteen Helix R Chainring - 30t, 11/12-Speed, 52/55mm Flip Flop CL, 3.5mm Offset, e*thirteen DM, Silver
🏪 Free pickup: 26 Essex St (Rear), Andover MA · 978-270-4895
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e*thirteen Helix R Direct Mount Chainrings, manufactured from durable AL-7075-T6, combine aesthetics and design efficiency. Their flip-flop design accommodates Boost or Super Boost chainlines. With e*thirteen's narrow-wide tooth profile, they ensure enhanced chain retention, reduced wear, and compatibility with Shimano and SRAM chains. Perfectly complementing all Helix Cranks, they're backward compatible with e*thirteen TRS, LG1, and XCX Race cranks.
- ✓ Direct Mount design for use with Helix cranks, adjustable chainline TRS/LG1 cranks, and XCX Race cranks
- ✓ M4 narrow-wide tooth profile provides Shimano and SRAM 11/12-speed chain compatibility, excellent chain retention, and reduced wear
- ✓ Convenient flip-flop design, compatible with both Boost and SuperBoost chainlines (52/55mm)
- ✓ e*thirteen's Quick Connect direct mount interface keeps the system secure and creak-free
- ✓ Forged from premium 7075-T7 aluminum, then extensively CNC optimized for light weight, and technical aesthetics
- ✓ Durable 7075-T6 construction for long wear-life, stiffness, and strength
| Tooth Count | 30 |
| Drivetrain Speeds | 12 |
| Round or Oval | Round |
| Offset | 3.5 |
| Material | Aluminum |
| Color | Silver |
| Weight | 48 |
| Defined Color | Silver |
| Direct Mount Type | Direct Mount e*Thirteen |
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$72.95
Low Stock — 2 left (Warehouse)