BikesSoma FabricationsGrand Randonneur Disc

Soma Fabrications Grand Randonneur Disc geometry

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178 cm · 5 ft 10 in
auto85 cm · 33.5 in
Size 55

Render Align 50%

Geometry

Size495255586165
Stack mm538552571592612650
Reach mm380387391395399406
Head tube angle °72.572.572.573.073.073.0
Seat tube angle °74.574.073.573.072.572.5
Head tube length mm130145165185205245
Seat tube mm490520550580610650
Chainstay mm430430430430430430
BB drop mm656565656565
Fork rake mm656565656565
Stack to reach1.421.431.461.501.531.60
Effective top tube mmi529545560576592611
Wheelbase mmi102210341044104910591078
Size55key specs
Stack-to-reach (size 55)1.46
More aggressive (lower and longer) than 50% of road frames in the database at comparable sizes.

Closest geometry matches (size 55)

Matched by stack, reach and head tube angle.

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Nearest size to the Grand Randonneur Disc 55.

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Soma Fabrications geometry chart · Frame stack and reach to the head tube top · Size finder assumes a 100mm stem on 20mm spacers · Report an error