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September 10 2012

I'm happy to say I'll be a part of the first Australian Custom Bicycle Show. Bespoke bicycle and custom acessory suppliers from Australia, for Australia and the world. Drop me a line if you'll be at the show. Stop at the booth and say hi! Cheers!

Austrlian Custom Bicycle Show

May 13 2012

Announcing the Fi'zi:k Cyrano Carbon 30.60mm seat post!

fizik 30.60 seatpost
The new fizik post looks good on the CadenziaFrame builders now have a high quality carbon 30.60mm seat post to fit directly into 31.70mm seat tubes with 0.8/0.5mm walls, such as Columbus Life part # SLFM13635 and XCr # XCRM13635.
The 31.7 seat tube with 0.8/0.5mm walls is typically used with the Crescendo (Formerly Slant6) and Cadenzia lug sets for XL (double over size) tube dimensions. While there is a USA made alloy seat post, the clamp has no set back thus placing the saddle 15 to 20mm further forward to the seat tube axis presenting serious frame design implications in the majority of circumstances.
Since 2004, I have sourced, used, and supplied a specially made in the USA 30.60mm seat post that fitted directly into a 31.7 diameter .5mm wall seat tube with no need for shims or sleeves. Unfortunately, the US manufacturer ceased making seat posts so a rethink of supply was required.
After discussion with fellow member of the The Frame Builders’ Collective Dave Kirk, we agreed to look for a new supplier and agreed upon a list of Design and form requirements for a new 30.60mm seat post:

  1. A carbon tube post (a performance product Is required, so keeping the post under 250 grams was desired)
  2.  The post must have an accurate 30.60 - 30.55mm diameter shaft and be appropriately round. (+ - .05mm) This is very important to us as an accurate round to size post ensures firm clamping in the seat tube and avoids shaft distortion and possible cracking/failure when the seat tube binder boss is tightened. Moulded posts have problems with accuracy, but they are cheaper to make in large quantities. A precision ground carbon tube is the correct solution.
  3. Length 330mm. Long enough for sloping and level top tubes. (easy to trim if the full length is not required when assembling the bike)
  4. The post must have a suitable amount of rigidity so it does NOT behave like a fishing pole under the rider when pedalling.
  5. Two bolt clamp system for easy micro adjustment of the seat angle and the saddle angle can never move even in very harsh conditions.
  6. Designed to work with standard 7mm round rails, as well as rails with an oval cross section up to 10.3 mm which is often used on modern saddles.
  7. A wide lower clamp thus increased contact surface between clamp and rails. This reduces the cantilever forces on the saddle rails and avoids failures.
  8. Low profile upper clamp for low slung saddles.

Dave Kirk and I contacted several bicycle parts makers about the project, then the Fi'zi:k Cyrano seat post caught Dave’s attention at a bike show. This post looked very promising, ticking many of the boxes of desired features. Dave made contact with Fi'zi:k. Fi'zi:k is an Italian company (Selle Royal), so to ensure communications went smoothly, Dave and I contacted TFC member Dario Pegoretti and asked that he also make contact with Fi'zi:k. Dario had considerable input into the new project as he also needed seat posts for his “Day is Done” lugged frame using the Cadenzia lug sets and Columbus tubes.
Prototype seat posts arrived from Fi'zi:k. Perfect! We could not ask for any better. All the desired features were met and the post looks nice with its subtle graphics.
The button to commence production was pressed and posts are now available, so frame builders now have a correctly designed high performance and well-made 30.60mm seat post option to use direct into 31.7 diameter 0.8/0.5mm seat tubes.

Plenty of seatposts available!

(Plenty of seatposts to go around!)

17 November 2011

My wife has a Kirk Frameworks Terraplane that she loves and rides. It was her only custom bike and she purchased it after a motorcycle accident. When she came to Australia, she brought only the Kirk and some favorite parts from bikes gone by, campagnolo record brakes, derailleurs, and a triple from a past touring bike. She sold off or gave away many items, including some favorite Neutron wheels. She likes the old-style silver. When I built this bike, I mined her parts stash to bring some of the old to the new. She had no idea that I was building a bike for her Birthday until I had her sit outside to receive her gift.

The frame is a Manorina with a polished stainless steel fork crown.

A Manorina for my wife

7 October 2011

Back in the last century I moved my home and workshop to Everton hills and the the bike mechancic/assembly room storage and tools were set up. It was just a temporary lash up job to have some room to do the mechanical assembly work on new Llewellyns and do service work for local Llewellyn owners. I promised myself a more substatial set up with each passing year. 12 years pass by! Mary Ann and I were at the recent Brisbane home show when we came across some cool looking modular work shop benches and drawer units that can be configured into various set ups. Bingo, they looked just the ticket. Two weeks later I press the button and by the end of the week the whole lot arrived flat packed and we set to over the weekend assembling the new benches. Four days pass and it is all up and running and I am a happy little veggiemite.

12 Years of bikes passed over these benches

12 Years of this

The beginning!

Easy Build

My neighbor giving me a hand with the upper cabinets

Lockers in!

A beautiful board came into the workshop to hold the wheel building setup

Everything in its place

A place for everything

The first bike in the new setup

Build going smoothly, everything at hand

Worky Worky


21 July 2011 Joe finished applying his magic to a Crescendo and a Custodian. We've taken some photos to update the respective pages. The Crescendo page has fresh photos! Here's a sticky beak at the Custodian.

Photo Time!

5 July 2011 Back from the backpack trip around Conondale. Weather was bonza!

The trail near Summer Falls

20 June 2011 My recent shipment of Columbus tubes from Italy included these longer chainstays which I had arranged with Columbus to make in two wall thickness tubes. These allow unrestricted design freedom for frames that require a longer rear wheel base to give correct handling and or correct function to the bicycles. This benefits large frames, randonneur and touring frames, removing restrictions to good design. I am very happy with the versitility these new special.tubes have provided in my frame design and construction.

Columbus long chainstays

12 May 2011 Shipped this Crescendo Randonneur to its new owner:

Crescendo Randonneur for Crispy

6 May 2011 Shipped this Cadenzia Super Record Road Bike to its new owner:

Cadenzia Road Bike for DW

4 May 2011 My new tubing order arrived from Columbus. If you need XCr Stainless for XL/Crescendo or Cadenzia lug sets, I have the tubes available with the lugs. I also have other goodies including OS and XL spirit for lugs and 460mm long .7 and .8 mm chainstays, good for randos and touring bikes. Contact me for prices.

Columbus Order Arrives!

2/2/2011 I have a new web site!


These are past news letters which I used to keep the family of Llewellyn owners up to date with the goings on at Llewellyn Custom Bicycles. I started this practice in 2005. They are numbered in order, so if you want to read the earliest, go to Newsletter 1.