Paul Component Engineering Thumbies Shifter Mounts Shimano 22.2mm Black MFPN=H3MRAXEXX Anodized aluminum crankarms

Anodized aluminum crankarms

Innovative chain retention hook locks tool onto cassette ensuring full chain wrap and eliminating slippage

Extremely lightweight

}Park Tool DH-1 Dummy Hub

Tension can be quickly and easily adjusted from 6 thru 14

Paul Component Engineering Thumbies Shifter Mounts Shimano 22.2mm Black MFPN=H3MRAXEXX Anodized aluminum crankarmsPaul Component Engineering Thumbies Shifter Mounts Shimano 22. 2mm Black. 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