Mainstay Chain Guide Upgrades Strut Seatpost

Strut Seatpost

Mounts on the handlepost for accessibility

For added security pair with the Abus Frame Lock Loop Chain

This is the stock handlebar on the Node D8 and Node D7i

Class 3 E-bike with Bosch Performance Sport motor provides up to 65 Nm of torque and 300% support

Mainstay Chain Guide Upgrades Strut SeatpostIf you could watch your chain, youd see waves of energy literally bounce the chain as it moves up and down the cassette or when riding on rough roads. With the shorter chainstays of folding bikes, the waves just get amplified in size. We spent 12 months modeling chain movement on different combinations of cassettes and chainrings and chainlines and developing a device to eliminate chain drops for all combinations. Thats new Tern Mainstay Chain Guide,