USE He­lix 165mm drop­per seat­post £284.99

Mountain Biking UK - - WRECKED & RATED -

Avail­able with 125mm or 165mm of drop and in 30.9mm and 31.6mm di­am­e­ters, this UK-made post should cover most users. At 620g com­plete, the longer op­tion is light for its stroke too. While the 310mm col­lar-to-base mea­sure­ment means it may not fit in some curved or weld-af­fected seat tubes, that’s a com­mon is­sue. The lever can be set at lots of dif­fer­ent an­gles and the lat­est ver­sion has pol­ished de­tail­ing on the length/lever­age-ad­justable pad­dle. It can be in­te­grated with SRAM or Shi­mano brake levers too, with a £19.99 adapter. While clamp­ing the cable at the lever end the­o­ret­i­cally makes set-up sim­pler, a loose fit at the post end means you have to keep things ten­sioned while in­stalling/ ad­just­ing to stop the outer fall­ing out of place. The air spring is so pro­gres­sive that drop­ping the sad­dle re­quires a lot of force, even at min­i­mal pres­sure (40psi). Set­ting ac­cu­rate cable ten­sion for the hair-trig­ger re­lease is cru­cial too, but the me­chan­i­cal ‘He­lix’ brake still doesn’t al­ways lock into place, caus­ing a grue­some grind­ing noise if it slips. Af­ter air-seal is­sues on our first post and burst­ing our sec­ond sam­ple (due to the “in­flate to 100psi” di­rec­tions in older in­struc­tions), our third He­lix is far­ing bet­ter, although it’s too early to vouch for its long-term re­li­a­bil­ity. Guy www.ul­ti­ma­teuse.com

Some neat fea­tures, but re­li­a­bil­ity and set-up is­sues make it a pa­tri­otic punt, not a proven per­former

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