crankbrothers Cobalt 3 27.5" Boost Mountain Wheelset Parts Mountain Wheels

crankbrothers Cobalt 3 27.5 Boost Mountain Wheelset. The Boost standard has taken the mountain biking world by storm and crankbrothers has created the Cobalt 3 27.5 Boost wheelset for high performance cross country and trail riding. The new Boost standard is all about increasing the stiffness of larger diameter mountain bike wheels by utilizing a wider hub axle spacing 110mm front148mm rear and a corresponding wider flange width. The Cobalt 3 27.5 Boost edition is an elite level aluminum wheelset that features crankbrothers' unique Twinpair design that's based on the principles of strength, stiffness, and acceleration. The Twinpair design features 12 pairs of spokes so 24 spokeswheel front and rear configured in the strongest shape in construction the triangle to maximize strength and stiffness. The Twinpair design also provides lower rotational inertia as the mass is distributed closer to the hub for faster acceleration and deceleration. The spoke configuration is incredibly user friendly, too, as there's only one spoke length for all the spokes both front and rear and with the rim end of the spoke attaching to an external rib it's possible to change spokes without removing the tire. The 6061 T6 anodized aluminum rims are the epitome of strength and light weight, and since they don't have any holes rim strips aren't necessary and tubeless conversion is very straightforward. The Cobalt 6061 T6 hubs are legendary performers renowned for strength, reliability, plus smooth rolling performance thanks to sealed cartridge bearings.