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Re: Groupset News
Quote from: mirek100 on October 16, 2023, 01:08:46 AM
Does anybody know how much bigger are the Sensah HRD levers comparing to the mechanical Sensah lever? Does anybody have a picture both mechanical and hydraulic lever side by side?
I have some comparison photos here.
October 16, 2023, 02:13:17 AM 		1
Re: BXT 055
Quote from: pavlo.k on April 12, 2026, 01:22:05 AM
what is wrong with it? Is it too high? I checked some of the most popular mainstream gravel bikes and they are all within a couple of mm. Superx has even taller bb with a 67mm drop

A 69mm BB drop is outdated for modern gravel setups. If you run 45mm tires or larger, the effective BB height shifts significantly due to the much larger tire radius. Running high-volume tires on a frame with only a 67-69mm drop jacks the entire bike up so high that the center of gravity becomes unstable.

For tires 45mm and up, a 75mm to 80mm BB drop (depending on frame size and rider height) is necessary just to compensate for the added tire height. It’s simple physics: bigger tires require a deeper drop to maintain a stable axle-to-ground geometry and keep the bike planted.
April 12, 2026, 04:59:19 AM 		1