Another wheel day (and so on).
I built a rear wheel with a DT RR411db rim.
The front rim prioritizes lightness, while the rear rim prioritizes rigidity with an offset rim design,
so while the rims are different, this is the partner to yesterday's XR331 rim front wheel.
FH-CX75 28H semi-comp 46-spoke JIS lacing pattern.
I'll do the spoke threading later.
The RR411db rim comes only in the offset rim version,
and when building a rear wheel, the position directly below the valve hole when viewed from the freewheel side
ends up where there's no sticker.
So I aligned yesterday's XR331 rim front wheel to match that.
This itself is something I've been doing for a while, or rather,
since this rim first came out,
but recently, looking at the sticker that's been added to XR331 rims specifying tire width and air pressure,
100% of them (including all our stock to date) have the text applied upside down.
Knowing this, I prioritized the alignment of the large sticker between front and rear wheels.
By the way, the warning label contents are:
When using tube + tire
Specified tire width: 25–64C
Maximum pressure: 123 psi / 8.5 bar for 25C
42 psi / 2.9 bar for 64C
When using tubeless tires
Specified tire width: 25–64C
Maximum pressure: 102 psi / 7 bar for 25C
35 psi / 2.4 bar for 64C
You might wonder what happens between 25C and 64C, say for 32C,
but DT publishes that data.
Tubed tires are TT and tubeless are TL, and furthermore
the tables differ between hooked rim and hookless rim versions.
Since XR331 is a hooked rim, 32C TT is OK up to 6.8 bar,
and 32C TL is OK up to 5.3 bar.
The same applies to RR411db.
In cyclocross racing you'd run them at less than 2 bar anyway,
and even with a momentary pressure spike when lifting a tubeless tire,
you'd never put in 5 bar, so there's absolutely no problem.
I built a rear wheel with a DT RR411db rim.
The front rim prioritizes lightness, while the rear rim prioritizes rigidity with an offset rim design,
so while the rims are different, this is the partner to yesterday's XR331 rim front wheel.
FH-CX75 28H semi-comp 46-spoke JIS lacing pattern.
I'll do the spoke threading later.
The RR411db rim comes only in the offset rim version,
and when building a rear wheel, the position directly below the valve hole when viewed from the freewheel side
ends up where there's no sticker.
So I aligned yesterday's XR331 rim front wheel to match that.
This itself is something I've been doing for a while, or rather,
since this rim first came out,
but recently, looking at the sticker that's been added to XR331 rims specifying tire width and air pressure,
100% of them (including all our stock to date) have the text applied upside down.
Knowing this, I prioritized the alignment of the large sticker between front and rear wheels.
By the way, the warning label contents are:
When using tube + tire
Specified tire width: 25–64C
Maximum pressure: 123 psi / 8.5 bar for 25C
42 psi / 2.9 bar for 64C
When using tubeless tires
Specified tire width: 25–64C
Maximum pressure: 102 psi / 7 bar for 25C
35 psi / 2.4 bar for 64C
You might wonder what happens between 25C and 64C, say for 32C,
but DT publishes that data.
Tubed tires are TT and tubeless are TL, and furthermore
the tables differ between hooked rim and hookless rim versions.
Since XR331 is a hooked rim, 32C TT is OK up to 6.8 bar,
and 32C TL is OK up to 5.3 bar.
The same applies to RR411db.
In cyclocross racing you'd run them at less than 2 bar anyway,
and even with a momentary pressure spike when lifting a tubeless tire,
you'd never put in 5 bar, so there's absolutely no problem.