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Mont Ventoux
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Project Bike: Scott Spark ultralight XC racer, September 5, 2008

The Scott Spark Team Edition served as the basis
Photo ©: James Huang
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How light is light?
Photo ©: James Huang
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Scott achieved an insanely light 1.89kg (4.17lb) frame weight
Photo ©: James Huang
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The integrated seatmast design saves a few grams
Photo ©: James Huang
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Scott uses carbon for nearly everything on the Spark from the chain stays…
Photo ©: James Huang
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…to the dropouts.
Photo ©: James Huang
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The skeleltal-looking linkage
Photo ©: James Huang
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The proprietary DT Swiss-made rear shock
Photo ©: James Huang
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The small volume air can requires relatively high pressures.
Photo ©: James Huang
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The Tracloc remote is light
Photo ©: James Huang
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Manitou's top-end R7 MRD Absolute
Photo ©: James Huang
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These carbon-wrapped lowers never made it to production
Photo ©: James Huang
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Stan's NoTubes ZTR Race wheelset
Photo ©: James Huang
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The American Classic hubs are impressive on the scale
Photo ©: James Huang
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Schwalbe's Furious Fred treads are incredibly fast-rolling
Photo ©: James Huang
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The Triple Compound design pairs softer rubber
Photo ©: James Huang
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The DT Swiss RWS skewers are under 100g for the pair
Photo ©: James Huang
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Race Face's Next XC crankset
Photo ©: James Huang
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Avid uses a one-piece magnesium design
Photo ©: James Huang
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We used a 160mm rotor up front for sufficient braking power…
Photo ©: James Huang
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…and a 140mm rear rotor to save a few grams
Photo ©: James Huang
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SRAM's twist shifters aren't seen much on consumer bikes
Photo ©: James Huang
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Shimano's XTR front derailleur is a lightweight choice
Photo ©: James Huang
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Crankbrothers' Eggbeater 4ti pedals
Photo ©: James Huang
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Easton's EA90 stem is one of the lightest around
Photo ©: James Huang
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The Ritchey one-bolt 'Stubby' seatmast head
Photo ©: James Huang
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True, carbon cages are light
Photo ©: James Huang
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