Open UPPER 2.0 Chassis
- In stock, ready to ship
The race-focused sibling of the UP 2.0 — optimized for 35–46mm tires, built for speed over cargo versatility. Always predominantly black.
- Ultralight layup — 880g frame vs. 995g for the standard UP 2.0.
- U-Turn Aero fork only (375g) — optimized for aerodynamics, no cargo rivnuts.
- Rivnuts for a toptube bag and BB bag/toolbox — minimalist racing setup, not full bikepacking capacity.
- OPEN BAR cockpit — integrated handlebar/stem with 15mm of micro-stem length adjustment in 5mm steps.
- Chassis includes: frame, fork, headset, seatpost, and integrated handlebar/stem.
Geometry
| Spec | XS | S | M | L | XL |
|---|---|---|---|---|---|
| Stack | 520 | 545 | 570 | 595 | 620 |
| Reach | 356 | 368 | 380 | 392 | 404 |
| Head tube angle | 70.0° | 71.5° | 71.5° | 72.5° | 72.5° |
| Seat tube angle | 73.5° | 73.5° | 73.5° | 73.5° | 73.5° |
| Top tube length | 506 | 525 | 545 | 564 | 584 |
| BB drop | 82 | 77 | 75 | 73 | 72 |
| Wheelbase | 1000 | 1003 | 1024 | 1028 | 1049 |
| Standover height | 713 | 745 | 777 | 799 | 815 |
| Approx. rider height | < 5'5 (< 165cm) | 5'3-5'8 (160-171cm) | 5'6-5'11 (169-180cm) | 5'10-6'3 (178-191cm) | > 6'2 (> 188cm) |
Measurements in mm unless noted. Every size has its own frame geometry and fork offset. Source: OPEN Cycle. Shares its frame geometry with the UP 2.0 platform.
OPEN BAR Cockpit Geometry
Bar/stem size codes (e.g. 380A) refer to lever width + stem-length range — use with the frame geometry above to choose your cockpit.
| Spec | 380A | 380B | 380C | 380D | 400A | 400B | 420A | 420B | 420C | 430A |
|---|---|---|---|---|---|---|---|---|---|---|
| Bar lever width (mm) | 380 | 380 | 380 | 380 | 400 | 400 | 420 | 420 | 420 | 430 |
| Bar flared width (mm) | 425 | 425 | 425 | 425 | 445 | 445 | 465 | 465 | 465 | 475 |
| Stem length - min (mm) | 60 | 75 | 95 | 115 | 70 | 85 | 80 | 95 | 115 | 90 |
| Stem length - max (mm) | 75 | 90 | 110 | 130 | 85 | 100 | 95 | 110 | 130 | 105 |
| Bar reach (mm) | 78 | 78 | 78 | 78 | 78 | 78 | 78 | 78 | 78 | 78 |
| Classic drop (mm) | 109 | 109 | 109 | 109 | 109 | 109 | 109 | 109 | 109 | 109 |
Source: OPEN Cycle.
- Items must be returned unused and in original, undamaged packaging with receipt.
- Cash/credit card refund within 14 days of original sale.
- Store Credit only, after 14 days.
- NO returns or exchanges after 30 days.
- NO returns or exchanges on special orders or clearance items.
- Bikes and wheels purchased online and shipped are not eligible for return or exchange.
Send returns to:
MECHANIC Bicycle Pro Shop:
ATTN: Returns, (Your Order #)
1327 Darby Road
Havertown, Pennsylvania, 19083
