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  • Excludes Complete Bicycles, Framesets, and some other oversize items
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Road Framesets

Given DeRosa's long frame building heritage in every material commonly used by frame manufacturers, every frameset has a defined aesthetic that tells the story of the materials used and thought process behind the design. With carbon fiber so much of the detail is hidden within a tubeset, but shapes and the desired characteristics often reveal the actual story. The 838 Frameset was developed to be an endurance-oriented model with an accessible price point, smooth ride, and more than enough performance to a true DeRosa. Created for cyclists who crave a great balance of ride quality, responsiveness, subtle road bike handling, and positive feel, the 838 should exceed your expectations. For those seeking a higher performance option road race, the DeRosa Merak may just well be your choice in that incredibly competitive category.

Designed to accommodate road tires up to 32mm on modern road rim widths, the disc brake 838 offers a great balance for riders at 30mm. Featuring a 27.2mm round seatpost on the sloping frame design and a carbon fiber blend and lay-up that damp vibration and modest impacts, the 838 delivers a pleasant ride quality, but given the Italian manufacturer's expertise, the vertical compliance does not negatively impact road feel. This is complemented by the frame geometry, which offers a balanced stance and the capability for a semi-aggressive to aggressive riding posture- again favoring the everyday road cyclist. Yet performance lies within as well, and from the front of the bike the 1½" headtube (no taper), tapered steerer, frame-specific headset/stem interface ensure torsional stiffness in the steerer tube and oversized headtube junction. That interface sets the stage for a very sleek forward facing perspective, as well as for a variably oval-esque downtube that widens at the bottom bracket zone for impressive lateral stiffness under pedaling loads, including high-output out-of-the-saddle efforts. The top tube flattens out as it slopes towards the seattube, offering a hint of vertical flex when the frame is under duress.

The rear triangle offers simplicity, with smaller rounded seatstays, and more vertically oval chainstays that are largest at the bottom bracket. The former adds compliance, while the latter ensures the torsional strength at delivers efficient standard cadence efforts and aggressive power surges with equal aplomb. Both the frame and fork feature the Flat Mount disc caliper interfaces that allow the cyclist to choose 140mm or 160mm disc brake rotors, with a 140 rear and 160 front being a common choice. Thru-axles ensure hub and frameset stiffness for greater efficiency. DeRosa supplies bolt-in style thru-axles for the 12/100mm front, 12/142mm rear dropouts. The rear features a stout, replaceable hanger/thru-axle system. Housing and wire routing for electronic and mechanical shifting systems is semi internal, with Full Speed Ahead's SRS-type headset/stem interface, for routing off the bottom of the stem into the headset topcap then routing down into the steerer and through the frameset or fork. An FSA SMR compatible stem is desired for semi/or fully internal cable routing, but most non-integrated stems will work. FSA and Vision offer visually clean stems and co-developed handlebar designs for the sleekest cockpit set-up. One note on the geometry and sizing: With this sloping design, a listed size of 52cm fits like a 54cm bike, with a 545mm toptube length. So please note the sizing variance in the Geometry chart.

Excel Sports has brought in DeRosa because we appreciate the history, quality, and efficacy of the constructed designs. The 838 may be an "entry-level" carbon offering from DeRosa, but it features a endurance ride quality and performance level associated with higher end bikes. It is a great option for long rides, multi-day pedal fests, and a quick, snappy lunch excursion. With a proper balance of stability and reasonably quick handling, descending is a joy, and the power transfer inherent to the frame design means tackling the next ascent is a challenge accepted, not wished away. If you are looking for a forgiving, everyday road bike with inherent heart, something special, from a brand not everyone else will be riding, your next bike may well proudly feature this DeRosa 838 Frameset.

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  • Accessibly priced, high quality endurance-oriented road disc frameset with excellent ride quality, handling, power transfer and compliance on all pavement and hardpack dirt roads
  • Optimized for balanced features and characteristics, not compromises
  • Sleek, full width headtube allows for exceptional torsional strength from the front into the front triangle
  • Carbon fiber blend, tube shapes, and proper construction strike the balance of vertical compliance and power transfer/minimal torsional deflection under any load or effort
  • Pre-preg carbon blend: 34.2% 24t +57.3% 30t +8.5% 40t
  • 1½" headtube to 1⅛" for tapered steerer with included FSA SRS system headset- and requires FSA SMR compatible spacers, stem and bar for semi-to full internal routing options
  • Standard stems may work well, but the wires/housing must sit close, inline under the bottom of the stem and the routing is difficult with shorter length stems
  • Compatible with Mechanical or Electronic shifting systems
  • Frame Specifications
    • Full carbon, internal routing, 1½" straight headtube for FSA SMR system routing
    • We recommend foam tubing to be used on internal housing runs to avoid rattling- Jagwire foam or something similar (not provided with frameset)
    • Braze-on Front Derailleur hanger (not removable)
    • Bottom Bracket required: PressFit 86.5x46mm (BB386 EVO- specific to crank your crankset spindle diameter
    • Seatpost Diameter: 27.2 mm round (frame features unified dual seat collar for maximum hold)
    • Tire clearance: 700x32mm
    • Downtube and Seat tube bottle cage bosses
    • Disc brake, for Flat Mount interface, 140-160mm rotor sizes with proper adapter
    • 12/142mm Rear Thru-Axle Dropout, with bolt-on TA provided
    • Replaceable Rear Derailleur hanger and TA dropout system
  • Fork Specifications
    • Full carbon, svelte, straight leg fork blades, with internal (from within headtube only) disc hydraulic hose routing
    • 1½" to 1⅛" tapered carbon steerer for FSA SMR routing, capable of 4 housing lines or housing/wire combo
    • Disc brake, for Flat Mount interface, 140-160mm rotor sizes with proper adapter
    • 12/100mm Front Thru-Axle Dropout, with bolt-on TA provided
    • Thru-axle drop out parts are replaceable
    • Includes steerer compression plug
  • Note: DeRosa uses a sizing system in which the effective toptube is a size larger than what the listed frame size may indicate; for example, a listed size 52cm features a 545mm toptube
  • Sizes: 50cm (527mm ETT), 52cm (545mm ETT), 54cm (565mm ETT), 56cm (583mm ETT)
  • Color: Black Matte
  • Weight: Frame 1000 grams, Fork 380 grams (uncut)
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Size 46cm 50cm 52cm 54cm 56cm
Wheel Size 700c 700c 700c 700c 700c
Stack 505mm 527mm 545mm 565mm 585mm
Reach 364mm 377mm 389mm 396mm 403mm
Seat Angle 74.5° 74.10° 73.70° 73.30° 72.90°
Top Tube Length 505mm 528mm 545mm 565mm 583mm
Head Tube Length 99mm 122mm 140mm 160mm 178mm
Bottom Bracket Drop 69mm 69mm 69mm 69mm 69mm
Front Center 572mm 574mm 589mm 600mm 606mm
Chainstay Length 412mm 412mm 412mm 412mm 412mm
Sloping design. Note that the Effective Top Tube size, Stack and Reach are the best size comparators across frame designs.
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