Grin Double BobThe Double Bob rail provides for a convenient and secure means of attaching a Hailong 03 Downtube battery to any any location on the bicycle frame tubing regardless of the eyelet position. These pieces are CNC machined from solid aluminum stock and provide a wide and flat platform for the battery cradle to rest, so there is none of the rocking or play that is sometimes present with waterbottle eyelets. Machined channels allow up to 3 hose clamps to

12mm six-sided 3t Hardened Manganese Steel Chain Links

High efficiency in dry and wet conditions

538g (manufacturer's specs)

If you are installing your kit on a non standard bike and need a bit more length

with spacers available when needed

durable sand-blasted finish

9 X 350mm Micro-adjust Alloy Black

The Compact provides optimal ventilation so that you are cool and comfortable while you're riding safely

Box Three Prime 9 Speed Twin Lever Shifter

Rear Carrier/seatpost Clamp With Additiol Nodes (5mm) To Attach Rear Carrier 31

10S 6P Cell Configuration

High - 1:30h at 650 Lumens