Paul Component Engineering Thumbies Shifter Mounts Shimano 22.2mm Silver MFPN=170-002-001 A sipe (groove) in each

A sipe (groove) in each of the side knobs allows them to flex and conform to the terrain improving traction

It also features a USB-C charging option for your smartphone or GPS device and interface for ANT+ and Bluetooth

5mm 10/11-Speed 46/30t JIS Spindle Interface Black

40mm Chain SRAM NX Eagle

Paul Component Engineering Thumbies Shifter Mounts Shimano 22.2mm Silver MFPN=170-002-001 A sipe (groove) in eachPaul Component Engineering Thumbies Shifter Mounts Shimano 22. 2mm Silver. Paul Components Thumbies turn bar end shifters into flat bar shifters. Thumbies have a hinged clamp for an easy installation They have a shifter mounting boss that fits Shimano bar end shifters and most Shimano downtube shifters Machined in the USA of 6061 aluminum