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Forum: Bicycle Mechanics

12-01-22, 01:46 AM

Replies: 33

Seatpost size: 27.0 or 27.2 mm

Views: 929

Posted By maddog34

like i mentioned earlier... seats AND posts get...

like i mentioned earlier... seats AND posts get swapped as a unit fairly often... those 6 piece steel rail clamps baffle most folks. Seat gets a hole or cracks from age, Swap the entire thing from a...

Forum: Bicycle Mechanics

12-01-22, 01:40 AM

Replies: 33

Seatpost size: 27.0 or 27.2 mm

Views: 929

Posted By maddog34

Cool Lookin' Bike, Dude! it's a step up from the...

Cool Lookin' Bike, Dude! it's a step up from the Bianchi MTB's of that age i've seen... Well worth Restoring.... REMEMBER.. As you clean up the Frame tube, the DEBRIS will fall Into The Bottom...

Forum: Bicycle Mechanics

11-28-22, 06:55 PM

Replies: 33

Seatpost size: 27.0 or 27.2 mm

Views: 929

Posted By maddog34

just a guess... you did mean Telescope Gauge,,...

just a guess... you did mean Telescope Gauge,, correct? Bore gauges are EXPENSIVE and rarely seen in anything but Machine shops. they also have limited use per Gauge since their range of operation is...

Forum: Bicycle Mechanics

11-28-22, 06:39 PM

Replies: 33

Seatpost size: 27.0 or 27.2 mm

Views: 929

Posted By maddog34

i've only had a couple Bianchi MTBs thru my...

i've only had a couple Bianchi MTBs thru my place.. both were heavy tanks hung with low-mid grade parts. i'm guessing from memory, but i think the posts were chromed steel... i recall thinking how...

Forum: Bicycle Mechanics

11-28-22, 01:59 AM

Replies: 33

Seatpost size: 27.0 or 27.2 mm

Views: 929

Posted By maddog34

Consider how rusty that old seat post is... the...

Consider how rusty that old seat post is... the Seat Tube will be likewise rusted.
the tube needs to be cleaned up and carefully measured with an Accurate Device and practiced hands.
If you don't...

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