EX 511 - EX 511 Rim Options:EX 511 Rim - 29", Disc, Black, 28H Infinite Rate Tune (IRT) allows

Infinite Rate Tune (IRT) allows for advanced spring tuning by independently adjusting air pressures in the beginning and end stroke

forged and oil-hardened with a black atramentized finish

ULTIMATE CONTROL: Measurably better traction than “Bike of the Year” Stumpjumper EVO

In other words

The fifth generation of the winningest chainguide in World Cup DH history

EX 511 - EX 511 Rim Options:EX 511 Rim - 29", Disc, Black, 28H Infinite Rate Tune (IRT) allowsThe EX 511 rim was designed to meet the needs of riders that want to ride burlier terrain, faster and faster. It comes with all the technology that has delivered many EWS wins, and packs it in a 30 mm wide profile. 2. 0 silver alloy Prolock Squorx Pro Head nipples and PHR washers included The wheel must be built with the supplied PHR washers and Pro Head nipples. The PHR washer must be positioned between the nipple and rim and fit correctly within the