Profile Z-Coaster Rear HubWrite a review
he ZCoaster‰ã¢ is a proprietary hub to Profile: it essentially works as a spring/pawl cassette hub that can be disengaged into a freecoaster with varying slack options. Made in the USA at the Profile factory. --------------- Highlights of the ZCoaster‰ã¢: ... Read More
Made in the USA at the Profile factory.
Highlights of the ZCoaster:
--The ZCoaster's Pawl is "Z" shaped to allow for engagement/disengagement by the center Slack-Cam Ring. This also allows for adjustable slack. See Slack-Cam Ring options A through C.
--The ZCoaster's pawls and ratchet ring have a proprietary coating that offer smooth engagement.
There are 48 points of engagement: all pawls engage simultaneously.
--The ZCoaster has an outer driver support bearing for the oversized driver mechanism. This bearing supports the driver from the outside.
***The ZCoaster's freecoaster mechanism can only work if the jam nuts are fully tightened for optimum compression.
Utility patents and design patents pending.
14mm complete Zcoaster with 9t chromo, 1/8 driver: 585g/20.6oz
3/8 volcano cone complete Zcoaster with 9t chromo, 1/8 driver: 585g/20.6oz
Hollow Chromo 14mm GDH Axle (no hardware): 182g/6.4oz
Solid Chromo 14mm Axle (no hardware): 217g/7.65oz
3/8 titanium axle (no hardware): 66g/2.30oz
14mm titanium axle (no hardware): 103g/3.6oz
chromo 9t 3/32 (loaded with 2 driver bearings): 104g/3.65oz
chromo 9t 1/8 (loaded with 2 driver bearings): 108g/3.8oz
Titanium 9t 3/32 (loaded with 2 driver bearings): 66g/2.3oz
Titanium 9t 1/8 (loaded with 2 driver bearings): 67g/2.35oz
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