Frame Saver Headset Cup Bolt Wizard

Frame Saver Headset Cup Bolt WizardOvalized steel or aluminum headtube? Whether it's due to single crown forks getting longer, jumps getting bigger or bikes simply getting ridden harder, ovalizing your headtube sucks. But it doesn't necessarily mean your frame is toast. From over 25 years experience in the bike industry, we know most headtubes will only go out of round by a small amount. They will usually measure up to 0. 2mm oversize front to back. If this is the case, then an

4mm oversize

at the pub and back again

so take care to measure the axle you have

Specify dimensions of the shoulder

Free-spinning brass handles

make sure to remove the beveled washer (if supplied) from behind the drive-side hub shell bearing

You've remembered a spare derailleur hanger

At 45 grams

Need to clamp a new frame in the stand without a seatpost and collar installed

This super strong upgrade will keep your hub rolling for years to come

making space at the linkage end

2mm oversize front-to-back