	48	51	54	57
Stack	461mm	482mm	498mm	516mm
Reach	389mm	406mm	420mm	433mm
Stack to Reach Ratio	1.19:1	1.19:1	1.19:1	1.19:1
Seat Tube Length, C-T	538mm	560mm	575mm	592mm
Top Tube Length, Effective/Horizontal Center	495mm	517mm	535mm	552mm
Head Tube Angle	71deg	72.5deg	72.5deg	72.5deg
Effective Seat Tube Angle, Seat Tube Top	77deg	77deg	77deg	77deg
Head Tube Length	56.5mm	70.7mm	87.5mm	106.4mm
Bottom Bracket Drop	75mm	75mm	75mm	75mm
Bottom Bracket Height	264mm	264mm	264mm	264mm
Chainstay Length	405mm	405mm	405mm	405mm
Chainstay Length Horizontal	398mm	398mm	398mm	398mm
Front-Center	582mm	584mm	603mm	622mm
Front-Center Horizontal	577.2mm	579.2mm	598.3mm	617.5mm
Wheelbase	975.1mm	977.2mm	996.3mm	1015.5mm
Fork Offset/Rake	52mm	43mm	43mm	43mm
Fork Length, Unknown	368.6mm	368.6mm	368.6mm	368.6mm
Trail	61.7mm mid/neutral	61.8mm mid/neutral	61.8mm mid/neutral	61.8mm mid/neutral
Mechanical Trail	58.4mm	58.9mm	58.9mm	58.9mm
Wheel Flop	19mm	17.7mm	17.7mm	17.7mm
Standover Height	739mm	761mm	775mm	792mm
Tire to Pedal Spindle	73mm 170 mm cranks	75mm 170 mm cranks	94mm 170 mm cranks	113mm 170 mm cranks
Pedal Spindle to Ground Clearance	94mm 170 mm cranks	94mm 170 mm cranks	94mm 170 mm cranks	94mm 170 mm cranks

Published Sizing Recommendations

Height

155 cm

166 cm

172 cm

178 cm

186 cm

Very Upright

Somewhat Upright

Average

Somewhat Aggressive

Very Aggressive

The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.

Category Trend

Source:https://tideacebike.com/collections/time-trial-frame/products/fm-tt968-apex-razor-triathlon-frame

2025 Tideace FM-TT968 Base