Reinforced back panel to resist abrasion from bars and cable runs
They offer very great braking power
Syncros OE Press Fit / Reduce 1
or just want the most durable rim possible
The additional stress of larger cassette cogs
Stan's NoTubes - Hub, Rear, Stans, E-Sync, 28H,CL, 12X142, Ta, Shimano HG stock Reinforced back panel to resistStrength and durability were the main priority in designing E sync hubs. Designed for more aggressive riders, wet environments, and the added torque and weight stresses of eBikes, E sync hubs are built to last. The cromoly axle and Enduro sealed bearings of the E sync can handle high loads and harsh conditions, and the double row Enduro bearing at the heart of the E sync's freehub lasts longer than simply pairing two standard cartridge bearings side