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Bicycle Support By Mark, LLC

Professional Mechanical Support

Mobile Bicycle Repairs For All

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Bicycle Support by Mark Logo

Cycling Solutions Since 2004


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Frame Preparation Description

Frame Preparation Description


OVERVIEW

These consist of all the services that can be performed on a frame/fork. All new bikes and frames that I sell receive this treatment and all moderately serious riders should have this performed on their existing bikes. This process forms the basis of the Race Assembly.

This process is critical for the proper functioning and longevity of components as well as your safety and enjoyment. Is your bike going to look any different if it has a Frame Preparation performed? The most trained eye might see a difference...this service is for function, not fashion. Consider this the foundation of your "bicycle" house.

While one would think that modern frame production methods would eliminate the need for manual machining, that's not the case. I've seen my fair share of $12,000 custom frames (which then build into ~$23,000 bikes) with alignment issues only explained by Mr. Magoo doing the final quality control. Even companies which pride themselves on "perfection" routinely sell bikes their literature says are not acceptable because they are out of tolerance (hey, don't shoot the messenger, I'm quoting directly from some of their published literature).


HIGHLIGHTS

* Inspect frame for damage or obvious problems
* Face bottom bracket and chase threads
* Face head tube
* Cut new bearing races, integrated headsets only
* Hone/ream headtube, regular headsets only
* Prep fork crown - cut new race
* Cut fork to proper length (stem, spacers, everything must be known)
* Chase threads on fork, threaded forks only
* Hone/ream seat tube
* Align derailleur hanger and chase threads
* Chase other threads, bike-specific
* Frame, fork, and dropout alignment adjusted as much as possible in-store
* Face and chase brake boss mounts (ATB, touring, cyclocross)
* Clean frameset

NOTE: Some frame designs, materials, and components are what you get; we can’t use our cutting tools for one reason or another or otherwise improve the tolerances.

COST

Maximum $150 per bare frameset, disassembly more


ELIGIBILITY

New and used framesets and bicycles


UPGRADES over anything

The most comprehensive frame and fork inspection and correction possible within a normal shop that dosnn't have a frame table or other serious framebuilding equipment (and very few shops have that!)


NOTES

You didn't think this was all without some legalese, did you? Well, not that much. Bikes that are already assembled will incur a small disassembly charge as will unusually dirty bikes.





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(c) 2011 Bicycle Support By Mark, LLC - all rights reserved; revised 11/22/2011