BT F39

Hide your energy!
This compact and light Intube battery even fits in smaller frame tubes, delivering 614Wh to stylish eBike options, from trekking eBikes with low step-thru to eMTB.

BT F100

Full speed ahead!
This slim Intube battery keeps the aerodynamics of fast eRoad and eGravel bikes unimpaired, adding 360Wh of precious electric energy to the rider's ambitions of climbing alpine passes or keeping the

BT F120

Hide your energy!
This mid-size Intube battery delivers long lasting 720Wh at just 3.8kg of weight to stylish eBike options, from touring eBikes with low step-thru to eMTBs and their respective ambitious riders.

BT F311

Hide your energy!
This compact and light Intube battery even fits in smaller frame tubes, delivering 840Wh to stylish eBike options, from trekking eBikes with low step-thru to eMTB.