OCLV Mountain Carbon, IsoSpeed, tapered head tube, Knock Block, internal control routing, balanced post-mount brake, Boost148 29 Trek Knock Block Integrated, 62-degree radius, cartridge bearing, 1-1/8'' top, 1.5'' bottom
- IsoSpeed smooth - IsoSpeed takes the edge off body-beating small bumps and trail chatter so you can stay stronger longer, without giving up any pedalling efficiency.
Procaliber frame set is a race-worthy carbon cross country mountain bike frame that's light, fast and built to win. It has the unique advantage of IsoSpeed, a decoupler at the top tube/seat tube junction that gives you more compliance on rough trails for a smoother, faster ride.
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