jim haseltine's latest activity

It's only the saddle, the large flange hubs and maybe the pedals that match up with the paint job in my eyes.

It is. Mostly not from in the atmosphere but as part of industrial production of gases and other products. Unless marked otherwise the...

While sorting through 50 years of junk in my parent's garage last week I found three pumps - a frame fit Bluemel, a frame fit Truflo and...

I'd rather pump up a fat tyre with a full-sized pump than a mini. The problem I found with putting a FF pump on my sloping frame was the...

Back in the 1980s plastic SILCA pumps had a reputation of exploding in use. During clubs runs it wasn't unusual to see the shaft of one...

Talking of pumps, does anybody else still modify theirs with a small hole at the top of the cylinder barrel? Positioned just into the...

Topeak Master Blaster Large is out of stock.

Brooks steel nose bolts were 5/16" BSF so 22tpi. Don't know about the titanium ones and don't know if things have changed since Selle...

There was a Canadian Kilo TT rider at either the Worlds or the Olympics in the 1980s who had transmission on both sides of the bike. A...

I'm certain that there will be a full set of 1970s/80s Yorkshire OS maps somewhere in my parent's house, I'll take a look later this week.

From what I remember, in the 1980s the Otley 12 hour used a finishing circuit that used roads around Cattal, Tockwith and Long Marston...

(Chain ring teeth / sprocket teeth) * 27 = gear size in inches. Actually means nothing at all, it's just a way of comparing gear ratios...

50x25 would be very low - it's 54" in old Imperial-speak. I'd go for something like a 19 or a 20 sprocket, which would give you 71" or...

They always used to be s*ds to get started on a new clip. Often it was a case of using a.n.other nut & bolt to tighten the clip until it...

Last summer I tried some TPU 'Race Formula' brand tubes - made in China by an anonymous company. As I (knock on wood) usually don't...