TRP HD4.1 Shifter Adapter Kit - I-Spec B to Shimano EV Right-Hand 37.5-65 2-piece Caliper has 21mm pistons

2-piece Caliper has 21mm pistons and fixed hose routing

Shifter Style Trigger Color Lunar Drivetrain Speeds 12 Designed for ebike Yes keyword search eMTB keyword search eBike keyword search e-MTB Rear Der/Shifter Compatibility SRAM X-Actuation

The Z-shaped retro top plate is designed for better front derailleur cable clearance and for frames with tighter clearances behind the bottom bracket

Expanding plug insert fits most MTB Gravel & Road Handlebars adjustable with included 17mm 19mm and 21mm silica plugs to fit different diameters

The Schwalbe One sets a new benchmark in terms of quality and performance

TRP HD4.1 Shifter Adapter Kit - I-Spec B to Shimano EV Right-Hand 37.5-65 2-piece Caliper has 21mm pistonsTRP HD4. 1 Shifter Adapter Kit I Spec B to Shimano EV Right Hand. Integrated MTB Shifter Adaptor