Headset replacement query
Wonder if anyone can help.
Bike is a 2013/14 Jamis Nova Sport Cross/road bike.
Headset really need replaced - both upper and lower.
I've found the Jamis spec but all this shows is FSA integrated 1 1/8 and 1 1/2
My measuring, using my callipers, indicates the following:
upper is 41.7 outrer, 28.7 inner, 7.8 height
lower is 51.8 outer, 39 inner, 7.8 height.
No markings remain on the old bearings that I can see for me to decipher.
I'll contact Jamis in case they will help me out but as I want to replace asap I'd like to identify this and get one ordered.
Bike is a 2013/14 Jamis Nova Sport Cross/road bike.
Headset really need replaced - both upper and lower.
I've found the Jamis spec but all this shows is FSA integrated 1 1/8 and 1 1/2
My measuring, using my callipers, indicates the following:
upper is 41.7 outrer, 28.7 inner, 7.8 height
lower is 51.8 outer, 39 inner, 7.8 height.
No markings remain on the old bearings that I can see for me to decipher.
I'll contact Jamis in case they will help me out but as I want to replace asap I'd like to identify this and get one ordered.
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Is it actually one of the few times when, despite having sufficient knowledge to perform the job, that the LBS would be appropriate to help out ?
Remeasured, searched the net and found what I am reasonably assured i the appropriate set of bearings:
Tapered Headset | 1 1/8" - 1.5" | IS42/28.6 & IS52/40. Will cross finger they fit - present one are rough as.
but ... a bit more searching turned up this product on the Evans web page - it is out of stock (seems to be common for other dealers) and a question from a fellow Nova Sport owner who also reportedJamis recommending this headset. Evans response was
"I can confirm that is not the correct headset for your bike and would recommend the following headset bearings, which will be compatible:
- Pro Headset Upper- IS42/28.6mm (Product code: EV204267)
- Pro Headset Lower- IS52/40mm (Product code: EV204276)
- "
- I am now puzzled but will await the arrival of the bearings I ordered to see how they do or don't work.