Velopedia Bicycle Archive

Ritchey Ascent Frameset

Touring bicycle from the Velopedia specification archive.

Model year: Not published by manufacturer
Original MSRP: $1,539.00
Sizes: S; M; L; XL
Colors: Desert Dust
Weight: Frame weight: 2,400g (size L - w/o thru-axle); Fork weight: 1125g (with uncut steerer / not including axle)
Geometry: 4 manufacturer sizes
Archive ID: 900000532
Catalog verified: August 13, 2026

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Frameset

Frame Construction	heat-treated, triple-butted Ritchey Logic steel tubing - TIG welded
Frame Material	Steel
Fork	Ritchey steel fork with multi-purpose, rack, fender and threaded crown port
Fork Material	Steel

Drivetrain

Bottom Bracket	73mm - English threaded

Brakes

Brakes	Post-mount brakes: 160mm (front 180mm max - adaptors available separately)

Cockpit & Contact Points

Headset	WCS headset included (upper IS42/28.6 - 16mm stack height \| lower IS42/30)

Wheels & Tires

Wheel Size	29"; 27.5"

Size-specific frame data

Geometry

4 sizes · 14 measurements

Manufacturer-published geometry normalized for consistent archival comparison. Effective top tube and reach remain separate measurements because they describe different aspects of fit.

Measurement	S	M	L	XL
Seat tube	430 mm	465 mm	500 mm	535 mm
Effective top tube	541 mm	556 mm	575 mm	590 mm
Top tube	529 mm	534 mm	551 mm	566 mm
Head tube	115 mm	130 mm	150 mm	170 mm
Head-tube angle	70°	70.5°	70.5°	71°
Seat-tube angle	73.5°	73.5°	73°	73°
Chainstay / rear center	463 mm	463 mm	463 mm	463 mm
Wheelbase	1067 mm	1078 mm	1092 mm	1103 mm
Bottom-bracket drop	68 mm	68 mm	68 mm	68 mm
Reach	370 mm	381 mm	388 mm	397 mm
Stack	572 mm	589 mm	607 mm	628 mm
Standover height	769 mm	796 mm	822 mm	851 mm
Fork offset / rake	52 mm	52 mm	52 mm	52 mm
Fork length / axle-to-crown	435 mm	435 mm	435 mm	435 mm

Geometry source: Ritchey embedded first-party geometry matrix ↗ Measurements can vary by configuration, wheel size, or flip-chip position where noted by the manufacturer.