SYNCROS DS25 ALL MOUNTAIN / XC / MARATHON BIKE RIM DETAILS: use: all mountain/XC/marathon size: 26″ type: clincher (tubeless compatible) material: aluminum width: 19mm (id) profile depth: 21mm color: black grunge holes: 32 weight: 455g (claimed) valve hole diameter: 6.5mm condition: in original packaging FEATURES: proprietary S60-niner alloy internal shape designed for easy tubeless compatability DS sleeved rim True Track Technology: each rim is individually stress relieved and work hardened to the roundest, flattest rims available concentric drilling: spoke holes are drilled concentrically to ensure that spoke alignment is perfect elliptical shape profiles: disc specific rims with a cross section optimized for hardcore freeride and DH use grommet-style eyelets: provide additional spoke nipple support and prevent lost nipples during build-up 100% QC inspection on every individual rim