The input clutch doesn't need to be released because the sprag automatically releases when the speeds increase. This may sound complicated, but it is typical of many automatic transmissions.

Hansen noted that the redesigned sprag clutch and the “anti-notch” freehub will be important for consumers wanting to use their hubs on performance and high-wattage e-bikes. For those who are looking ...

Q. I’ve been reading some articles stored in my garage on the Triumph T595 from 1998 and I’m worried. It says the bolts on the starter sprag clutch can come undone, and you first hear a rattle ...

What the team came up with was an ingenious "selectable one-way clutch" that looks like two slim sprag clutches stacked together, one of which gets a control mechanism to keep the little sprag's ...

After more than a dozen MV-22 Osprey incidents involving what is known as a hard clutch engagement, or HCE, ... New 'Leading Theory' on Osprey Issues Points to Sprag Clutches.

Minnesota-based hub manufacturer Onyx might be best known for its instant-engagement BMX race hubs, but more recently the company has released cyclocross hubs that we're anxious to try. However, that ...

After more than a dozen MV-22 Osprey incidents involving what is known as a hard clutch engagement, or HCE, military officials now say that they have finally made progress in understanding the ...