e*thirteen Helix R Guidering Direct Mount Chainring

The Helix R Guidering chainring by e*thirteen for Boost or Super Boost

This Helix R Guidering chainring by e*thirteen is attached to the Helix cranks via Direct Mount and delivers strong, reliable performance in combination with SRAM or Shimano drivetrains. Depending on how you mount it, it serves a boost or a super boost chainline.

Specifications:

Application:

Cross Country, All Mountain, Enduro

Mount:

e*thirteen Direct Mount

Teeth:

28 T, 30 T, 32 T, 34 T

Gearing:

1x11-speed, 1x12-speed

Technical Information:

Offset:

3 mm

Material:

aluminium (7050-T7)

Compatibility:

• Boost / Super Boost chain line
• Shimano chains
• SRAM chains
• e*thirteen Helix cranks

Features:

• can be used for boost or super boost chain line thanks to its flip-flop design
• made of forged, CNC-machined aluminium
• light and resistant
• low-noise interface for Helix cranks

Colour Info:

intergalactic:

blue

Manufacturer Numbers:

intergalactic / 28 tooth:

CR4HRA-100

intergalactic / 30 tooth:

CR4HRA-101

intergalactic / 32 tooth:

CR4HRA-102

intergalactic / 34 tooth:

CR4HRA-103

grey / 28 tooth:

CR4HRA-104

grey / 30 tooth:

CR4HRA-105

grey / 32 tooth:

CR4HRA-106

grey / 34 tooth:

CR4HRA-107

Contents:

• 1 x e*thirteen Helix R Guidering Direct Mount chainring

e*thirteen
1120 Harold St
Alameda
CA 94501
USA
support@ethirteen.com