E-Thirteen Helix Crank Arms - 175mm - 24mm - 68-73mm - E-Thirteen Direct Mount - No Spider - No Chainring - Black Dangerous Goods The X1F has 8 degrees

The X1F has 8 degrees of float and will be better for anyone that twists around on the bike a bit more or has dodgy knees/ankles

2018+ only

dense Bio-foam and Strata-Foam padding for protection and Hex Mesh construction to allow for airflow

Engagement: 6 pawls

Convertibility: Not at this stage

E-Thirteen Helix Crank Arms - 175mm - 24mm - 68-73mm - E-Thirteen Direct Mount - No Spider - No Chainring - Black Dangerous Goods The X1F has 8 degreesThe Helix crank arms from E*Thirteen combine forged AL 6066 T6 aluminium alloy arms with a heat treated 24mm Cro Mo spindle to deliver a super cost effective, performance crank that is light and strong and suitable for most MTB pursuits. Features: Lighter weight for improved acceleration and climbing Strong enough to shuttle run bike parks Durable aluminium alloys for years of trust and confidence Can be combined with either Shimano or SRAM 11 and 12