Reamers

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The holy grail of framebuilder reamers for seat tubes is a solid spiral flute hand or chucking reamer. These are very hard to find in the fractional metric sizes common for seatposts.

Adjustable reamers rea

Source for reamers

This is a good one:

KBC Tools & Machinary
1751 Sabre
Hayward, CA 94545
(510) 732-5500
(800) 521-1740
KBCtools.com

Sharpening and Regrinders

I'll be trying these guys at first:

Cliff @
Pacific Reamer & Cutter Service
4115 Broadway
Oakland, CA 94611
(510) 654-1844

They say that a regrind could be $24 for a chucking reamer $40 for a hand reamer, if they do not have to take too much material off.

27.2mm

Probably the most common size seatpost in the industry for steel bikes.


Size: Flute Length: OAL: KBC P/N: Price
1-1/16: 2-3/4: 10-1/2: 5-020-295: $37.40 (26.99mm for roughing)
1-3/32: 2-7/8: 11: 5-020-300: $37.40 (27.78mm reground to 27.2 for finishing)