SLX - HOLLOWTECH II - MTB Bracket Set - Q-factor 172 mm - 1x12 speeds 
 SLX FC-M7100-1 features a completely new construction, using direct-mounted crank wheels, special profile sprocket teeth for better chain retention and a 172mm Q-factor. 
 
The special MTB gear tooth profile improves chain engagement and retention.
Hollow forged crank maximizes power transfer while limiting weight
Upper Chain Tension
Rigid, lightweight design enhances rail cycling pleasure
Easier changes than cycling groups
Q-factor: 172 mm
Chain line: 52 mm
 
 
 Weight: 646gr