![David Golay reviews the 2025 Geometron G1 for Blister](https://blisterreview.com/wp-content/uploads/2024/05/DSC05372-scaled.jpg)
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RELATED LINKS:
TOPICS & TIMES:
Introducing Sam and Marcel (3:29)
Updating the G1 (6:32)
Refining geometry (9:04)
“Loading patterns” and bike setup for customers (13:57)
The new G1 (18:11)
David’s bike setup preferences (25:52)
Headtube angles and front wheel loading (30:47)
Stem lengths and steering feel (37:29)
Bottom bracket drop and geometry adjustability (41:31)
Other updates (43:25)
Suspension kinematics (47:39)
Sam & Marcel’s personal bike setups (51:42)
Listening to this now. Just got to the point where they are talking about proportional scaling of the bike across sizes.
Their statements mirror exactly my experience and my efforts to modify my bike.
I am tall, but mostly in my legs, not my torso.
What they call “real reach” I have been calculating for a while now, calling it “corrected reach” to compare how long the reach is once I set my handlebars to my preferred height.
And similar to what they did with head angle adjustments, I set my Stumpy Evo in a steeper head angle setting, but I swapped my CSU for a 27.5 version, to get the shorter, 37mm offset on my 29er fork.
This brings in the front center a tiny bit on its own, but more importantly, let’s met run a steeper head while maintaining sufficient fork trail.
Combined, this significantly reduces front center, bringing my hands closer to my front contact patch, and creating a more normal front:rear weight balance.
Stem Length – I’m with Paul Aston / Rulezman on this one in that 0mm effective stem length is the way to go. Hence my 31mm stems with 12 degree backsweep bars rolled back to align centre of grips to centre of steerer.