Archive for August, 2008

Bianchi Oetzi 9300 Carbon Mountain Bike

Italian-made Bianchi carbon mountain bike built with a XT drivetrain.  No Wheelworks wheels on it yet though ;-)

The Oetzi carbon frames were some of the last of Bianchi’s “Reparto Corse” Italian-made carbon frames.  This is a rare model as there aren’t too many in existence.  Olympic gold medalist Julien Absolon rode a similar frame before moving to Orbea.

Fox RLC fork, Easton EC90 carbon handlebar, Ritchey WCS seatpost and Maxxis High Roller eXCeption series tubeless tyres.

Wheelworks partners with Puresports

Puresports are the New Zealand importer and distributor for Rohloff hubs, Magura forks and brakes, and Hammer Nutrition.

The Speedhub 500/14 is Rohloff’s flagship product. It is an internal hub 14 speed planetary geared hub that is suitable for many cycling applications with a gearing range similar to that of a 27-speed mountain bike drive train.  Puresports both distribute and service these German-made hubs in the New Zealand market.

Under the new partnership Wheelworks is proud to supply all wheelbuilding services to Puresports.  This should streamline the purchase of a Rohloff hub and will ensure that all Rohloff wheels are built to the highest quality possible.

The Puresports website has more information about Rohloff hubs and accessories.

Back to the ’90s

I was asked by a previous client if I wanted to rebuild a Pulstar anodized purple hub (complete with suspected bent axle) and a period-matching Hope ULW front hub.  When the anodized purple craze hit I was a teenager with little money and a worn-out steel mountain bike.  I would read Mountain Bike Action and drool over all the cool parts at the time…Pulstar hubs, Caramba crank, Answer handlebars, Ringle seatposts…all of which were available in gouge-your-eyes-out-purple.

Destined for a commuter bike these wheels are a flash back!  The Wheelsmith spokes are available locally in directpull, however souring purple nipples was difficult (hmm, I wonder why?)  I eventually tracked some down from one of my suppliers in the United States and set about replacing this suspected bent axle.  Luckily the axle wasn’t bent, but there were no bearings on the driveside of the hub and the bearing on the non-driveside was worn out and gritty.  Most modern hubs are very simple to pull apart and often only require two tools.  This Pulstar required the following 6 tools:

  • 15mm cone wrench
  • 2x 17mm box-wrench
  • 2x 13mm box-wrench
  • 1x 10mm Allen key

Not exactly mechanic-friendly.  Its a strange design similar to Spinergy’s where a cup-and-cone freehub body is bolted to the machined hub shell and a sealed bearing is pressed into the non-driveside; a combination of a normal Shimano hub and a normal sealed-bearing hub.  Calculating spoke lengths wasn’t easy and I must confess that I got it wrong the first time (doh! Anyone want to buy some 262mm directpull spokes??)

The Hope ULW hub (“Ultra Light Weight”) features two teeny-tiny sealed bearings, aluminum flanges and axle, and a titanium shell.  At 68 grams it’s a similar weight to current American Classic hubs although it does use larger bearings.  I laced the front two-cross to add a bit more uniqueness and again used purple spoke nipples.

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