Saturday, October 22, 2022

Fnhon DB12: Dura-Ace R9100 Crankarms and PRO Stealth Saddle

A few months ago, before I converted the Focus Paralane from a 1x11 speed to 2x11 speed road bike, I had the Dura-Ace R9100 crankset available and not in use on any of my bikes. This is the original R9100 crankset that I had on the Canyon Endurace, since year 2017.

Therefore, I decided to put this Dura-Ace crankset on the Fnhon DB12, because it is black and matches the frame well. Prior to this, an Ultegra 6800 crankset was in use.

Dura-Ace R9100 crankset with the Wolf Tooth 44T chain ring for AXS 12 speed chain.

Looking good with my signature 4 colour chain ring bolts!

391 grams for the right side setup...

...and 176 grams for the left side crank arm. This is the original version without the 4iiii power meter.

This gives a total crankset weight of just 567 grams which is lightweight!

With the crankset installed on the Fnhon DB12 bike. 

Black on black always looks good.

Other than the crankset swap, I had a new PRO Stealth Off-Road saddle that I wanted to install onto the Fnhon DB12 bike. As tested on the Cervelo Aspero gravel bike, this saddle has the PRO Stealth saddle shape, but has more cushion than the road version for extra comfort.

PRO Stealth saddle in the Off-Road version.

Using some techniques to copy the geometry from the Focus Paralane road bike to the Fnhon folding bike. This is for saddle tilt.

This is for saddle fore/aft offset, relative to the bottom bracket centre.

Finally the saddle height from the bottom bracket centre.

I have been riding with the improved bike fit by LOUE Bicycles since last year, and it is a good and efficient riding posture for me. On this folding bike, I will use the same saddle position, although the handlebar position will be different as it is a flat handlebar bike instead of a drop bar bike.

Latest bike specifications, after changing to the Dura-Ace crankset and PRO Stealth off-road saddle. 8.8 kg for a disc brake folding bike is quite decent.

Additional pictures of the Fnhon DB12 below. With the older Ultegra crankset, before this latest Dura-Ace crankset upgrade.

Riding with my kid, using the Bestrider Pump Pro 16 at the Green Corridor.

On the overhead bridge across PIE, joining Bukit Batok to Jurong East.

Along Ulu Pandan PCN

At the newly restored railway station at Bukit Timah

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