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Ritchey Frames
Ritchey Ultra 29" Mountain Frame
Margin Booster
  • Versatile frame that can accommodate either 27.5" or 29" wheel sizes
  • Constructed from heat-treated, triple-butted Ritchey Logic steel tubing
  • 12x148mm Boost thru-axle dropout
  • Internal routing for a 30.9mm dropper post
  • Designed to work with Boost offset cranks with a 52mm chainline
  • Fits up to a 38t x1 or 26/36t x2 rings
  • Fits rear tires up to 27.5x2.8" or 29x2.4”
  • WCS headset included with frame
  • 2570g (size L) including thru-axle and seat collar
 
item # size top tube (effective) chainstay head angle seat angle headset bottom bracket seatpost front derail BB drop stand over color in stock?
  RC4410    Oversized item:
expedited shipping
not available.
Incurs a shipping
surcharge of $15.00
per unit.
 
S 591mm 439mm 68 deg 74 deg IS42/28.6|IS52/40 73mm 30.9mm 34.9mm 58mm 742mm team edition NO
  RC4411    Oversized item:
expedited shipping
not available.
Incurs a shipping
surcharge of $15.00
per unit.
 
M 606mm 439mm 68.5 deg 74 deg IS42/28.6|IS52/40 73mm 30.9mm 34.9mm 58mm 771mm team edition NO
  RC4412    Oversized item:
expedited shipping
not available.
Incurs a shipping
surcharge of $15.00
per unit.
 
L 628mm 439mm 68.5 deg 73.5 deg IS42/28.6|IS52/40 73mm 30.9mm 34.9mm 58mm 799mm team edition NO
  RC4413    Oversized item:
expedited shipping
not available.
Incurs a shipping
surcharge of $15.00
per unit.
 
XL 644mm 439mm 68.5 deg 73.5 deg IS42/28.6|IS52/40 73mm 30.9mm 34.9mm 58mm 827mm team edition NO
  RC4390    Oversized item:
expedited shipping
not available.
Incurs a shipping
surcharge of $15.00
per unit.
 
S 591mm 439mm 68 deg 74 deg IS42/28.6|IS52/40 73mm 30.9mm 34.9mm 58mm 742mm black YES
  RC4391    Oversized item:
expedited shipping
not available.
Incurs a shipping
surcharge of $15.00
per unit.
 
M 606mm 439mm 68.5 deg 74 deg IS42/28.6|IS52/40 73mm 30.9mm 34.9mm 58mm 771mm black YES
  RC4392    Oversized item:
expedited shipping
not available.
Incurs a shipping
surcharge of $15.00
per unit.
 
L 628mm 439mm 68.5 deg 73.5 deg IS42/28.6|IS52/40 73mm 30.9mm 34.9mm 58mm 799mm black YES
  RC4393    Oversized item:
expedited shipping
not available.
Incurs a shipping
surcharge of $15.00
per unit.
 
XL 644mm 439mm 68.5 deg 73.5 deg IS42/28.6|IS52/40 73mm 30.9mm 34.9mm 58mm 827mm black YES
Ritchey Frame Hangers & Parts
Soma Frames