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All-mountain SLX HollowTech II chainset is tough and aggressive
yet also lightweight and excellent value.
• The HollowTech II Chainset features hollow forged
crank arms which are both lightweight and rigid whilst being
incredibly strong and durable.
• HollowTech II integrated bottom bracket design uses
a wide bearing placement with a large axle diameter for increased
stiffness, efficiency and added durability.
• Double version comes with a honeycomb style bash guard
which has been developed to absorb impacts.
• Triple version comes with a drilled steel and carbon
composite construction middle ring for excellent rigidity
and durability.
• Mega9 HG chainrings for optimum shifting performance.
• SG-X chainring with patented spike pins give smooth
and fast gear shifts under load.
• We recommend that the bottom bracket is initially
installed by a bike shop to ensure perfect facing and fit.
• Two tone anodized finish for long lasting good looks
• Available as FC-M660 triple: 44/32/22 tooth or FC-M665
double with bash guard: 36/22 tooth.
• Comes complete with bottom bracket for 68 and 73 mm
frames.
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