What's that transmission? 105 combo-shifters and 105 50/34 cranks, and what's in the back?
You can see a Jtek shiftmate just above the SLX rear derailleur:
Wolftooth Tanpan?
@Jaap started
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What's that transmission? 105 combo-shifters and 105 50/34 cranks, and what's in the back?