Steerer Diameter Question

Postby cep32 on Mon 24/Oct/16 8:30pm

I've found a supplier for an air shock with adjustable rebound for a 20 inch kids bike. Unfortunately the steerer is 1.25 inch rather than the 1.125 inch in the current bike (a Specialized Hotrock). Is there any way of putting a different headset on it that will allow the larger diameter steerer to fit?

I've tried Google but my problem is not knowing what the search on.

Cheers,
Chris
cep32
Member for: 6 years 7 months

Re: Steerer Diameter Question

Postby Velocipedestrian on Tue 25/Oct/16 7:48am

Isn't that the size giant used for their original Overdrive "standard"?

They must have had headsets to fit... A shop that's stocked giant for a long time might be able to find one.
Velocipedestrian
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"Vorb Trophy Husband of the year 2015"
Member for: 11 years 0 months

Re: Steerer Diameter Question

Postby Dougal on Tue 25/Oct/16 12:20pm

I'd suspect a typo as making anything with a 1.25" steerer would give you close to 0 sales potential.

Ask them for the diameter in mm.

The giant 1.25" OD2 steerer was a thin section campy style bearing (41.8mm OD) so it fit a normal frame. It also had a special wedge, cap, spacers and stem.
It was one of the worst headset ideas of recent times.
Dougal
Member for: 14 years 5 months

Re: Steerer Diameter Question

Postby AgrAde on Tue 25/Oct/16 12:59pm

I'm with Dougal on this one, I'd say it's either a tapered OD2 from a giant and there's no way to make it fit into a standard 1.125 straight head tube that the 20" kids bike no doubt has, or it's a mistake and it'll slip right in (much more likely).
AgrAde
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Member for: 13 years 10 months

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