This Deraileur question

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ozboz

Guru
Location
Richmond ,Surrey
1677B924-72DB-4CAF-9C33-C7099D50A318.jpeg


I have not seen one like this , the little pulley wheel below the barrel adj,
Is it a common feature , the bike came from Denmark ,
 
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AndyRM

XOXO
Location
North Shields
Looks like a tensioner of some kind, but I'm really not sure why you'd need it? Seems like it's over-complicating things a bit.
 

Cycleops

Legendary Member
Location
Accra, Ghana
If we could see the rest of the bike the reason for this particular model might become clearer. Close ratio block. It’s Tourney so a budget model.
 
D

Deleted member 23692

Guest
Turns the cable 90 degrees without the attendant friction of the cable inside an outer (and increases the turn radius of the rest of the cable from the chainstay stop. [ETA: This reduces the pressure required with the right thumb on the shift lever; and image.]
View attachment 533246
Correct - https://bike.shimano.com/en-NZ/technologies/component/details/wheel-type-cable-guide.html and used on quite a few Tourney TZ rear mechs.

Odd that Shimano use this on their very low end MTB range, yet SRAM use it on their top end Eagles
 
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ozboz

ozboz

Guru
Location
Richmond ,Surrey
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