OneUp Components V3 Dropper Post - 34.9mm - Internal - Stealth - 180mm Drop - 480mm - No Remote Supplied YGroup_7033828474925 it won't harm rubber o-rings

it won't harm rubber o-rings or metal surfaces either

Fits Shimano XTR BB91/3/4

These kits include the Bleeding Edge Adaptor to allow the bleeding of the latest generation of SRAM brakes including Guide

What size bikes (wheel base) can it carry:

OneUp Components V3 Dropper Post - 34.9mm - Internal - Stealth - 180mm Drop - 480mm - No Remote Supplied YGroup_7033828474925 it won't harm rubber o-ringsThe lightest, longest, smoothest, and most reliable dropper post that will fit your bike. The V3 is the lightest infinitely adjustable dropper post on the market, it has the shortest total length and stack height of any dropper post, 20mm of adjustable travel, an extended 350 hour service interval, and new ultra low friction IGUS bushings and SKF seals. Plus, save an additional 10g with the Titanium Bolt Upgrade Kit. Product Specs: Drop: 90mm 120mm