New! This simple disk bolts to the Kris Holm Moment ISIS cranks - you slip the axle bolt onto the Rollo Disk and then tighten the axle bolt into the crank. It turns the Moment cranks into superb flatland cranks by enabling a huge increase in stability for crankrolls, without any need to produce specialized flatland cranks. Sold in Pairs.
This simple disk bolts to the Kris Holm Moment cranks - you slip the axle bolt onto the Rollo Disk and then tighten the axle bolt into the crank. It turns the Moment cranks into superb flatland cranks by enabling a huge increase in stability for crankrolls, without any need to produce specialized flatland cranks.
Sold In Pairs