Wolf Tooth Components Tanpan: 10-Speed Conversion

I am using this as a shift accelerator for an Archer electronic shifter. This unit allows the Archer shifter to shift 40% faster and it works well. It seems to have very good build quality and I found it to be worth the money.

Works absolutely flawlessly, and the product support from Wolf Tooth is second to none. The part I received was the older "direct mount" version-- Wolf Tooth sent me the updated pulley and inline-mounting pieces no questions asked, and shipped them immediately. I'm pairing an XT 10-speed mountain RD & 11-40 cassette with Shimano Ultegra 6700 STis, and shifting is perfect. Does exactly what it promises to do.

It does shift to all gears, but requires extra pressure is required on the shifter to shift.

Works perfectly for a mullet set up (road shifter on mtn bike derailure). I had to place it up by the bars instead of at the rear derailure and worked great!