Magicshine MJ-6116 5200Mah Battery Pack Exclusive and 180 have their freehub

and 180 have their freehub system seal placed on the hub shell which makes them incompatible with pawl hubs

Compatible with Topeak TRI-BackUp series and Omni-BackUp Elite hydration mounts

so they can withstand higher stresses

For once the bike industry has given us something we've been asking for

Magicshine MJ-6116 5200Mah Battery Pack Exclusive and 180 have their freehubMagicshine's MJ 6116 battery pack is a 5200mAh 7. 2V replacement rechargeable battery pack for your MagicshineMJ 900 series, MJ 902 series and MJ 906 series bike lights as well as the Monteer 3500S. The clever thing is, that it's also a portable power source that provides you with a USB outlet for recharging your phone or GPS device while out on the trail. You can recharge the MJ 6116 using any typical USB AC wall charger and the included cable via