The Nashbar "X" Aluminum Cyclocross Frame is ready for Cyclocross, trail-riding, commuting or light loaded touring. Our butted 7005 cyclocross frame is a true all-around frame that can be built up as anything from a full on cyclocross racer to a well loved commuter to a light touring bike.
- The oversize 66x34 to 56x44mm bi-oval down tube increases weld surface area for superior strength while adding stiffness for powerful out of the saddle climbing.
- 11-O'Clock rear brake routing along the top tube for easy shoulder carries, with disc hose/cable guides on the left seatstay.
- Relaxed Head angle for stable riding under rough conditions and reduced toe overlap even on the small sizes.
- Elegant relieved aluminum rear dropouts with replaceable hanger (p/n NB-RDH-X) and IS disc mount.
Frame features: - 2 water bottle braze-ons
- fittings for a rear rack
- chainstay and seatstay bridges are drilled and threaded for fenders
- down tube cable stops with adjusters
- IS disc mount
- cantilever/V-brake studs
- forward facing seatpost relief to keep the mud out
- clearance for 700x38 tires plus mud
Build Requirements: 27.2mm seatpost, 31.8mm seat collar, 31.8mm clamp-on bottom pull front derailleur, 130mm rear hub spacing, 700c wheels, 1 1/8" fork and headset. Frame Wt 3.6 pounds.
A NOTE ON SIZING: To size your X frame measure the effective top tube length of your favorite road frame, add your stem extension, then subtract 1 cm. This is the measurement you will need to get to with the X frame plus stem extension. For example your current road bike has a 57cm effective top tube, plus a 11cm stem: 57+11 is 68. Subtract the 1cm for 67cm. So you could ride a size medium with a 11cm stem, or a large with a 9cm stem. Generally go with the smaller size for the shorter wheelbase and increased standover clearance.
Standover is measured with a 700x38c Kenda Tire mounted to a Mavic MA3. Standover is measured at the mid point of the top tube.
See geometry chart for size breakdowns (bottom of the "more photos" section).
Specify Size: X-Small, Small, Medium, Large, or X-large.
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Frame Specifications:
Frame Size: X-Small Small Medium Large X-Large
Seat Tube*: 46cm 50cm 54cm 58cm 60cm
Top Tube (act.): 50.0cm 51.3cm 53.7cm 56.5cm 59.5cm
Top Tube (eff.): 52.0cm 53.5cm 56.0cm 58.0cm 59.5cm
Head Tube: 11.5cm 12.5cm 13.5cm 15.5cm 16.5cm
Head Angle: 70.5deg 70.5deg 70.5deg 70.5deg 70.5deg
Seat Angle: 73.0deg 73.0deg 73.0deg 73.0deg 73.0deg
Chainstay Length: 42.5cm 42.5cm 42.5cm 42.5cm 42.5cm
Standover: 73.0cm 74.5cm 77.5cm 80.0cm 80.5cm
Wheelbase: 986.9cm 1002.4cm 1017.9cm 1048.5cm 1064cm
* measured center to top of seat tube
Sample Weight (size small, by Tech): 3.63 lbs. 10/18/05 CNAP
BB Drop (all sizes): 70 mm
BB Width (all sizes): 68 mm (English)
Rear Dropout Width (all sizes): 130 mm
Seat Post Diameter (all sizes): 27.2 mm
Front Derailleur clamp (all sizes): 1-1/4" (31.8 mm)
Item No. » NB-XF
Overweight/oversize charges apply to this item.
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