BikesRadonR1 Disc

Radon R1 Disc (alloy) geometry

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178 cm · 5 ft 10 in
auto85 cm · 33.5 in
Size 56CM

Render Align 50%

Geometry

Size50CM53CM56CM58CM60CM63CM
Stack mm528546562576592611
Reach mm379384389400409423
Head tube angle °71.072.072.572.573.073.0
Seat tube angle °74.574.074.073.573.073.0
Head tube length mm130145160175190210
Seat tube mm460495530555575615
Chainstay mm415415415415415415
BB drop mm717171717171
Stack to reach1.391.421.441.441.451.44
Effective top tube mmi525541550571590610
Size56CMkey specs
Stack-to-reach (size 56CM)1.44
More aggressive (lower and longer) than 55% of road frames in the database at comparable sizes.

Closest geometry matches (size 56CM)

Matched by stack, reach and head tube angle.

Boardman SLR 8.9 Women's CarbonCurrentLG · 563 / 388Boardman SLR 9.0 CarbonCurrentMD · 563 / 388Boardman SLR 9.6 Disc2021MD · 563 / 388Boardman SLR 9.8 Carbon2021MD · 563 / 388Boardman SLR Endurance Disc LtdarchiveMD · 563 / 388MOSSO C7XCurrent52 · 560.4 / 388

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Nearest size to the R1 Disc 56CM.

Radon Vaillant2026M · 557 / 388Radon Spire2025–26L · 563 / 397

Compare with another frame

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