Availability: Available on backorder

The BSD ALVX AF is the latest incarnation of the ALVX frame, this version features a super tech invest cast chainstay yoke which gives even more tire clearance as well as stiffening up the rear triangle. Your wheel can be slammed at an extremely short 12.5″ CS length with no worries of your tire rubbing!!


Available on backorder

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– Wheel size: 20″
– Material: 100% 4130 CrMo, top tube and down tube cast sets, integrated headset, invest cast chainstay.
– Geometry:
Top tube length (TT): 20.3″, 20.6″, 20.8″ or 21.0″
Rear tube length (CS): 12.5″ (31.75cm) – 13″ (33cm)
Head tube angle (HA): 75.5
Seat tube angle (SA): 71°
Bottom bracket height: 11.7″ (29.72cm)
Frame height (SO): 8.7″ (22.01cm)
– Seat clamp: integrated
– seat post diameter: 25.4mm
– Bottom bracket: Mid BB
– Dropouts: Investment Cast, 5mm thick, 14mm axle mount
– chain tensioner: integrated
– Brake type: without (brakeless)
– Brake socket: without
– Brake socket included: No
– Rotor compatible: No
– Features: Alex Donnachie signature frame, cast chainstay yoke.
, wide rear for thick 2.4″ tires
– Model year: 2022

Additional information


20.3", 20.6, 20.8", 21"


Black, Aqua, Peach, Red


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