SRAM EX1 XG-899 Cassette - 8 Speed 11-48t Black Travel (mm)-170 BBS4816: 16 notch BB socket

BBS4816: 16 notch BB socket for 48mm diameter notch pattern

Can be upgraded to a power meter

52mm 36x45 Upper And Lower Bearings

The large turn lock mechanism enables convenient opening and closing by the skier

}RockShox DebonAir C1 Air Spring Upgrade Kit - 170mm Fits Lyrik/Yari A1+ (2016+)

SRAM EX1 XG-899 Cassette - 8 Speed 11-48t Black Travel (mm)-170 BBS4816: 16 notch BB socketSRAM EX1 XG 899 Cassette 8 Speed 11 48t Black. The EX1 drive train was designed specifically for the demands of electric assist mountain bikes: a wide gear range with bigger jumps between gears and sturdy components to handle higher torque loads. Liberal use of features found on SRAMs high end MTB parts provide high value quiet operation and ease of service. Machined from case hardened tool steel Cogs are designed to work specifically with inner and