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Gravel Framesets

Ritchey Ascent Frameset

The original Ritchey Ascent was the most versatile frameset Tom Ritchey had ever designed, offering adventure opportunities that predated many useful features that could have only broadened the horizons. The adventurous soul of the of the original Ascent remains, while expanding its adaptability with modern features and much-requested details. Tom Ritchey has always loved experiencing all sorts of bicycle adventures, such as seeking out winding dirt roads, cruising along gravel lanes, ripping flowy singletrack or even pushing it on endless tarmac. He designed this latest version of the Ascent to be a do-it-all adventure bike so that others can share the same thrills of adventure while also enjoying the renowned Ritchey ride experience.

The new Ascent is more adaptable than ever. The frame is tig-welded with heat-treated, triple-butted Ritchey Logic steel tubing that features rack and fender mounts and a third bottle mount under the downtube, while a new Ritchey steel fork offers up multi-purpose, rack, fender and dynamo light mounts. Other notable features of the new Ritchey Ascent include post-mount brake compatibility, Boost 110mm and frame 148mm thru-axle spacing as well an external seat collar.Throw a mountain bike bar on it and some 27.5” wheels for more trail-oriented adventures. Or ride it with drop bars and 29” wheels for some longer distance rough road riding. However you choose to roll, your riding possibilities are limitless atop the new Ritchey Ascent.

Features

  • Reconceived Ascent frame and fork with contemporary features and greater versatility
  • Frame and fork feature 74mm Post-type disc caliper mounts
  • Heat treat-treated, triple-butted Ritchey Logic steel tubing - TIG welded
  • Frameset has multi-purpose, rack, fender and dynamo light mounts
  • Weight ratings of welded accessory tabs: 6.5lbs each for bottle / anything cage; mfg rack limit or 25lbs if using a full front rack
  • Wheel/tire compatibility (max): 27.5” x 2.6” or 29” x 2.6”
  • Fork features Boost 15/110mm spacing, 15mm alloy bolt-in thru-axle included)
  • Fork spec: 1 1/8th" steerer with 300mm full length, Axle to crown: 435mm, Rake/Offset: 52mm
  • WCS headset included; drop-in style for 1 1/8th" steerer (upper IS42/28.6 - 16mm stack height | lower IS42/30)
  • Frame has Boost12/148mm rear dropout, with threaded, 12mm bolt in thru-axle included
  • Replaceable Stainless Steel derailleur hanger
  • 27.2mm ID seat tube with replaceable seat collar (30.1 seat tube OD)
  • BB shell: 73mm threaded BSC
  • Can accommodate 1X or 2X chainrings; max ring sizes per set-up: 1x: 38T / 2x: 36/24T
  • Tabs for external routing with full length housing/brake housing or hydraulic hose
  • Front Derailleur routing for full housing to use Shimano Front Pull / Side Swing derailleur type
  • Fender boss on chainstay bridge (not at BB shell)
  • Three bottle boss mounts (seattube, downtube, under downtube- also considered a multi-purpose mount)
  • Common spec all sizes: BB drop 68mm, Fork Axle to Crown 435mm, Fork Rake 50mm, Chainstay length 435mm
  • Max weight: 264lb max combined, rider with gear
  • Frame weight: 2400g (size L - w/o thru-axle)
  • Fork weight: 1125g (with uncut steerer / not including thru-axle)
  • Sizes: XS, S, M, L, XL
  • Color: Sierra Red

Warning: Please follow the recommended maximum torque specified by accessory manufacturers, though Ritchey recommends not exceeding 3Nm. To ensure safety and trouble-free usage, please use the original Ritchey fork/frame hardware when no aftermarket accessories are mounted to the fork/frame.

Ritchey Ascent 2021
Size 1. Small 2. Medium 3. Large 4. XL
Wheel Size 29"/ 27.5" 29" / 27.5" 29" / 27.5" 29" / 27.5"
Stack 572.3mm 588.5mm 607.4mm 628.4mm
Reach 370.1mm 380.5mm 388.3mm 397.1mm
Head Angle 70° 70.5° 70.5° 71°
Seat Angle 73.5° 73.5° 73° 73°
Top Tube Length 541mm 556mm 575mm 590mm
Head Tube Length 115mm 130mm 150mm 170mm
Standover 769.1mm 795.8mm 798mm 850.6mm
Fork Offset 52mm 52mm 52mm 52mm
Bottom Bracket Drop 68mm 68mm 68mm 68mm
Wheelbase 1067mm 1078mm 1092.4mm 1103mm
Chainstay Length 463mm 463mm 463mm 463mm
Listed Top Tube length is effective TT based on the sloping frame design.