Geometry ?
Kellys ARC 2021 geometry in sizes S–L: stack 549–588 mm, reach 373–386 mm, head angle 71.5–72.5°.
| S | M | L | |
|---|---|---|---|
| Stack | 549 mm | 567 mm | 588 mm |
| Reach | 373 mm | 379 mm | 386 mm |
| Head angle | 71.5° | 72° | 72.5° |
| Seat angle | 73.5° | 73.5° | 73.5° |
| Seat tube (c-t) | 500 mm | 532 mm | 559 mm |
| Head tube | 150 mm | 170 mm | 190 mm |
| Top tube (effective) | 536 mm | 547 mm | 560 mm |
| BB drop | 72.5 mm | 71.5 mm | 71.5 mm |
| Chainstay | 415 mm | 415 mm | 415 mm |
| Wheelbase | 986 mm | 993 mm | 1001 mm |
| Fork offset | 42 mm | 42 mm | 42 mm |
| Stock build by size | |||
| Cranks ARC 50 | 172.5 mm | 172.5 mm | 175 mm |
| Cranks ARC 30 | 170 mm | 175 mm | 175 mm |
| Cranks ARC 10 | 170 mm | 170 mm | 175 mm |
| Stem ARC 50 | 70 mm | 90 mm | 110 mm |
| Stem ARC 30 | 90 mm | 100 mm | 110 mm |
| Stem angle | −6° | −6° | −6° |
| Bar width | 400 mm | 420 mm | 440 mm |
Source: kellysbike.com, checked 1 Nov 2026 · bar position: worked out from published data
Older model years in the archive with the same stack, reach and head angle: 2022–2023. Source: kellysbike.com
Stock build
ARC 50
- Groupset
- Shimano 105 R7000 2×11 (50-34, 11-32), Tektro Spyre mechanical disc
- Shifters
- Shimano 105 ST-R7000
- Cranks
- SHIMANO RS510 50×34T
- Stem
- KLS Active Road 6°
- Handlebar
- KLS Expert Road
- Seatpost
- KLS Active 30.9
- Saddle
- WTB Volt
ARC 30
- Groupset
- Shimano Sora R3000 2×9 (50-34, 11-32), Tektro rim brakes
- Shifters
- Shimano Sora ST-R3000
- Cranks
- SHIMANO Sora R3000 50×34T
- Stem
- KLS Active Road 6°
- Handlebar
- KLS Active Road
- Seatpost
- KLS Active 30.9
- Saddle
- KLS SlipStream
ARC 10
- Groupset
- Shimano Claris R2000 2×8 (50-34, 11-32), Tektro rim brakes
- Shifters
- Shimano Claris ST-R2000
- Cranks
- SHIMANO Claris R2000 50×34T
- Stem
- KLS Active Road 6°
- Handlebar
- KLS Expert Road
- Seatpost
- KLS Active 30.9
- Saddle
- WTB Volt
Source for all builds: kellysbike.com, checked 1 Nov 2026
Frames with similar geometry
Stack and reach within 12 mm of size S (stack 549 / reach 373 mm).
Dolan Adx Disc (2026)size 50.5cm · stack 550 / reach 373 mmPinarello Dogma X (2027)size 51.5 · stack 549 / reach 372 mmKTM Revelator (alloy) (2027)size 52 · stack 550 / reach 372 mmLiv Avail (2025)size S · stack 550 / reach 372 mmLiv Avail Ar (2026)size S · stack 550 / reach 372 mmMarin Nicasio 2 (steel) (2025)size 50 · stack 550 / reach 372 mm
Stack and reach within 12 mm of size M (stack 567 / reach 379 mm).
Co-Motion Camino (2026)size 54 · stack 568 / reach 379 mmWilier Granturismo SL (2027)size M · stack 566 / reach 379 mmMason Aspect2 (2026)size 52CM · stack 567 / reach 378 mmBridgestone Anchor RE6 (2026)size 510 · stack 568 / reach 380 mmBridgestone Anchor RE8 (2026)size 480 · stack 568 / reach 380 mmVan Rysel EDR CF Ultra (2026)size M · stack 568 / reach 380 mm
Stack and reach within 12 mm of size L (stack 588 / reach 386 mm).
Liv Avail (2025)size L · stack 588 / reach 386 mmLiv Avail Ar (2026)size L · stack 588 / reach 386 mmSabbath Aspire (2026)size L · stack 588 / reach 386 mmOrigine Tuxedo (2026)size L · stack 588 / reach 385 mmConor Volcano (2026)size LA · stack 589 / reach 385 mmPinarello Dogma X (2027)size 56 · stack 588 / reach 385 mm
Spotted a mistake or a missing build? Let me know.
Are you the manufacturer, or do you sell this bike? I’m missing 2 values for this model’s stem and bars. Add them