TranzX YSI34 Dropper Seatpost - 31.6mm - Internal - Stealth - 170mm - 500mm - 1x Remote - 22.2mm Bar Clamp eBay the included D3O® inserts will

the included D3O® inserts will take that impact for you

Confirmed modification fit with Dura Ace 9100 Power Meter in size 42t or larger

13 or 17° with ATAC cleats

Chain retention is greatly improved thanks to the Dynamic Chain Engagement tooth profile and the 172mm Q-factor and 52mm chainline is compatible with both 142mm or 148mm rear hub spacing

TranzX YSI34 Dropper Seatpost - 31.6mm - Internal - Stealth - 170mm - 500mm - 1x Remote - 22.2mm Bar Clamp eBay the included D3O® inserts willExceptional value and quality dropper post in 34. 9 optimised size. Alloy #6061. Specifications Material: Alloy #6061 Offset: 0 mm Diameter: 34. 9mm Length 349 mm Travel 100 mm (34. 9 mm) 399 mm Travel 125 mm (34. 9 mm) 456 mm Travel 150 mm (34. 9 mm) 496 mm Travel 170 mm (34. 9 mm) 556 mm Travel 200 mm (34. 9 mm) Weight 493 g 34. 9 * 349 mm 524 g 34. 9 * 399 mm 599 g 34. 9 * 456 mm 633 g 34. 9 * 496 mm 685 g 34. 9 * 556 mm (excluding cable set 90 g)