IRD Crank Arms Mjolnir 1sp 175mm
Note: Only items that are in stock can be added
to cart. Please call us at 800-245-9959 to get
inventory update or to place on backorder.
-Square taper crank arms, chainrings sold separately
-Chainring sizes available 30,32,34; singlespeed 3/32
– Polished cold forged aluminum arms