The Pheos S QMM with the spherical Quattroflex Multimirror lens is the smaller version of the Pheos. Skid Grip, Comfort Frame and rotatable headband hooks ensure a perfect fit.- 175mm - WITHOUT PLATEHOLLOWTECH II Crankset (1x11-speed)FEATURE closeNew 3D composite chain ring’s teeth composition is optimized for each chainwheel load outImproved driving rigidityClose ratio gear combination for minimum shifting gap and maintaining rhythm (FC-M7000-11-2)Enhanced chain retention (FC-M7000-11-1)Better sealing and better rotationSmall ball bottom bracketBENEFIT closeSolid pedaling efficiently without lossBalance of strength and lightweight by 2pcs crank constructionSET SPECIFICATIONS: SERIES SLX M7000 SeriesAverage weight 721.1 g (34T) 715.4 g (32T) 699.3 g (30T)Chain line (mm) 50Chain ring combination 34, 32, 30T (SM-CRM70)Compatible BB type_Outboard XCompatible BB type OutboardCompatible chain HG-X11Crank Arm Length 170, 175Crank fixing bolt included XCrank arm length (mm)_170.0 XCrank arm length (mm)_175.0 XGear arms 4 armHOLLOWTECH II XOptional chain guard_Without chain / bash guard XOptional Chain Guard Without chain / bash guardP.C.D. (mm) 96Rear speeds 11Recommended BB_Pressfit BB-MT800-PARecommended BB_Threaded (normal) BB-MT800Technology HOLLOWTECH IIThreaded BB shell width_68mm XThreaded BB shell width_73mm XThreaded BB Shell Width 68mm, 73mmCrank arm fixing bolt_With XIncludes Crank Arm Fixing Bolt YesQ-factor (mm) 176
