Wolf Tooth Elliptical Direct Mount Chainring - 32t SRAM Direct Mount For SRAM 3-Bolt Boost Cranks Use Hyperglide+ Chain Nickel Plated MFPN=00.4020.169.004 and they integrate hidden vents

and they integrate hidden vents for increased airflow

interior power mesh pocket

model Helm MKII description double air piston kit

They fit a wide range of boot/crampon combos

The latest FEA analysis tools rigorous lab testing and extensive field testing mean the EVO crankset is both lighter and stiffer than pervious models

Wolf Tooth Elliptical Direct Mount Chainring - 32t SRAM Direct Mount For SRAM 3-Bolt Boost Cranks Use Hyperglide+ Chain Nickel Plated MFPN=00.4020.169.004 and they integrate hidden ventsElliptical shape for improved power transmission Replaces the existing chainring and spider on 3 bolt GXP cranks including Cane Creek eeWings cranks Must use Shimano HG+ 12sp chain. Wolf Tooth engineers developed a completely new tooth profile to provide optimal chain retention and durability when using this new chain technology Made in the USA from 7075 T6 aluminum alloy TECH SPECS ring type HG+ (anti chain drop) mount 3 bolt DM 3mm offset teeth 32t