Helix Core e*spec Steel E-MTB Chainring tool Match and personalize the way

Match and personalize the way you want

which create a more efficient rolling contact patch through the center tread

Turbocharger upper sliders fit all e*thirteen e*spec Chainguides

in a lightweight package for Trail and All Mountain riders

reduced noise and system wear

Helix Core e*spec Steel E-MTB Chainring tool Match and personalize the wayHelix Core e*spec Direct Mount Chainrings feature our narrow wide tooth profile, for reliable chain retention and an extra long wear life. Helix Core e*spec rings are cold formed from steel and then heat treated to provide excellent durability and toughness, all at a price that's easy on your wallet. Long lasting and economical steel construction M4 narrow wide tooth profile (our latest M5 profile on Avinox rings) for excellent chain retention and