TranzX YSI34 Dropper Seatpost - 31.6mm - Internal - Stealth - 170mm - 500mm - 1x Remote - 22.2mm Bar Clamp eBay Confirmed modification fit with Dura

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

TPE bumpers mitigate scratching of the sunglass lens and rattling during activities

Protection:

Available as a full system or gyro only

TranzX YSI34 Dropper Seatpost - 31.6mm - Internal - Stealth - 170mm - 500mm - 1x Remote - 22.2mm Bar Clamp eBay Confirmed modification fit with DuraExceptional 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)