Search found 413 matches

by Keezx
22 Feb 2019, 9:48am
Forum: Bikes & Bits – Technical section
Topic: Drop bars - who uses the drop bit?
Replies: 87
Views: 4112

Re: Drop bars - who uses the drop bit?

Did not a single competetive cyclist think to get into that position before aero-bars were invented? That surprises me because I have even seen city cyclists leaning their forearms on the handlebar of a Dutch-style bicycle when rushing to an appointment … but maybe they too only did that after Greg...
by Keezx
30 Jan 2019, 10:32am
Forum: Bikes & Bits – Technical section
Topic: training wheel and cassette
Replies: 2
Views: 547

Re: training wheel and cassette

Will probably work with the 10 speed cassette (if you don't shift), if not , a 9 speed cassette is cheap.....
by Keezx
27 Jan 2019, 7:52pm
Forum: Bikes & Bits – Technical section
Topic: 10 speed rear mech with 9 speed drivetrain
Replies: 5
Views: 546

Re: 10 speed rear mech with 9 speed drivetrain

Any 10 speed Campagnolo rear mech is compatible with any Campagnolo 9 speed drive train after 2000. (levers with rounded hoods_)
by Keezx
17 Nov 2018, 3:28pm
Forum: Bikes & Bits – Technical section
Topic: what is the purpose of these holes?
Replies: 17
Views: 825

Re: what is the purpose of these holes?

The cheapest frames/dropouts do not have holes , because holes would make them more expensive....
by Keezx
2 Nov 2018, 12:54pm
Forum: Bikes & Bits – Technical section
Topic: Campag Ergo lever service
Replies: 29
Views: 796

Re: Campag Ergo lever service

It takes much more than 15000 mls to wear out an index wheel, i own really old 10 speed ergo's and the ihe index wheels are like new.
Bet it's the G springs that need replacing.
by Keezx
8 Sep 2018, 11:41am
Forum: Bikes & Bits – Technical section
Topic: Crack In Aluminium Frame or Lacquer
Replies: 4
Views: 309

Re: Crack In Aluminium Frame or Lacquer

Looks like a crack to me.
Scratch away the paint and apply dye penetant examination to be sure....
by Keezx
15 Jun 2018, 4:48pm
Forum: Bikes & Bits – Technical section
Topic: Compact double road
Replies: 33
Views: 1185

Re: Compact double road

Heavy and with the disadvantages of both gearing systems might be 2 good reasons.
by Keezx
9 Jun 2018, 7:27pm
Forum: Bikes & Bits – Technical section
Topic: Chainring change
Replies: 10
Views: 737

Re: Chainring change

The special chainrings are also called "triplelizer" and can still be found at small shops and Ebay. Couple of years ago I bought one for my Campagnolo Chorus carbon double chainset (square taper) with 39 T and 74 BCD holes and it works perfectly despite the missing shifting aids. 74 BCD o...
by Keezx
24 May 2018, 11:04pm
Forum: Bikes & Bits – Technical section
Topic: Slipping seatpost
Replies: 58
Views: 2475

Re: Slipping seatpost

I this https://www.sjscycles.co.uk/seat-posts/307-272-mm-gold-kcnc-sc13-twin-seat-post-clamp/ is both the normal seat clamp and a top collar in one. CUT After expieriencing a slipping (carbon) post on my China made titanium frame I ordered a similar double clamp ( it's on the market in al lot of br...
by Keezx
12 Apr 2018, 6:07pm
Forum: Bikes & Bits – Technical section
Topic: Should I replace or repair my broken original Brompton Archer 5 Speed hub?
Replies: 16
Views: 1174

Re: Should I replace or repair my broken original Brompton Archer 5 Speed hub?

Had teh same , many years ago, also a folding bike , and repaired it. A small bar in which the pulling pin screws was broken. Not difficult for someone who is familiar with SA 3 speed hubs. After the repair it had only 4 speeds left, the top one was gone, never missed it, the 5 speeds were not the m...
by Keezx
21 Mar 2018, 8:55pm
Forum: Bikes & Bits – Technical section
Topic: Campag/Shimano mix
Replies: 10
Views: 580

Re: Campag/Shimano mix

That's why I use exclusively pre 2007 9 and 10 speed Ergopowers, they never gave me trouble the past 8 years and IF they do, I've numerous spares laying around.
Better avoid any Powershift Ergo's.
The 11 speed Ultrashift ones seem also good, but I don't need nor want 11 speed
by Keezx
16 Mar 2018, 3:01pm
Forum: Bikes & Bits – Technical section
Topic: I should really listen to my own advice more...
Replies: 25
Views: 1431

Re: I should really listen to my own advice more...

So you don't think gussets thicker than frame tubes are a stupid idea?
So buy another similar frame ....
by Keezx
16 Mar 2018, 2:22pm
Forum: Bikes & Bits – Technical section
Topic: Bottom Bracket for a Campag Chorus Triple chainset (2006 year).
Replies: 21
Views: 1324

Re: Bottom Bracket for a Campag Chorus Triple chainset (2006 year).

Main limitation is the size of the seat tube.
On a 28,6 and 31,6 seat tubes the 111 mm BB is fine, on bigger seat tubes you'll need the 115 mm.
by Keezx
16 Mar 2018, 1:28pm
Forum: Bikes & Bits – Technical section
Topic: I should really listen to my own advice more...
Replies: 25
Views: 1431

Re: I should really listen to my own advice more...

Poor construction of that frame....
I guess the designer/builder of that frame never saw this animation, it shows that the lower gussset is completely unnecessary:
Image
by Keezx
13 Mar 2018, 11:35am
Forum: Bikes & Bits – Technical section
Topic: 25mm tyres
Replies: 86
Views: 5225

Re: 25mm tyres

I remain convinced that what you feel while cycling is almost entirely irrelevant to performance and the only way to understand these phenomena is through physics, albeit imaginatively applied. The idea that you can feel any difference in rolling resistance between a 23 mm tyre and a 25 mm tyre is ...