Overview
The Warakin is an all-road adventure bike. This frame is built using austenitic stainless steel tubing and features a brushed finish with bead-blasted graphics. Austenitic stainless steel provides the supple yet lively ride quality of a cromoly frame with the beauty and corrosion resistance of titanium.
| 49cm | 52cm | 54cm | 56cm | 58cm | 60m | |
| Recommended rider height | 5’0″-5’2″ | 5’2″-5’4″ | 5’4″-5’8″ | 5’8″-6’0″ | 6’0″-6’2″ | 6’2″-6’5″ |
| Recommended rider inseam | 27″-29″ | 28″-30″ | 30″-33″ | 32″-34″ | 33″-35″ | 34″-37″ |
| Effective top tube | 510mm | 530mm | 545mm | 565mm | 580mm | 600mm |
| Nominal head tube angle | 70° | 70.5° | 71° | 71.5° | 72° | 72° |
| Tuning Chip induced head/seat tube angle change | ±0.2° | ±0.2° | ±0.2° | ±0.2° | ±0.2° | ±0.2° |
| Head tube length | 87mm | 95mm | 115mm | 140mm | 165mm | 185mm |
| Nominal seat tube angle | 75° | 74.5° | 74° | 73° | 72.5° | 72° |
| Seat tube length | 470mm | 505mm | 530mm | 550mm | 570mm | 590mm |
| Bottom bracket drop | 68-72mm | 68-72mm | 68-72mm | 68-72mm | 68-72mm | 68-72mm |
| Chainstay length | 420-440mm | 420-440mm | 420-440mm | 420-440mm | 420-440mm | 420-440mm |
| Wheelbase | 1010 – 1030mm | 1017-1037mm | 1023-1043mm | 1028-1048mm | 1032-1052mm | 1046-1066mm |
| Trail | 72mm | 71mm | 70mm | 67.5mm | 65mm | 65mm |
| Fork offset | 47mm | 47mm | 47mm | 47mm | 47mm | 47mm |
| Rigid fork axle to crown length | 420mm | 420mm | 420mm | 420mm | 420mm | 420mm |
| Stack | 540mm | 549mm | 570mm | 596mm | 622mm | 641mm |
| Reach | 370mm | 378mm | 381mm | 383mm | 384mm | 392mm |
| Standover | 730mm | 760mm | 780mm | 800mm | 820mm | 840 mm |
Features
Stainless Steel Construction: Made from austenitic stainless steel, providing a smooth, lively ride and exceptional durability.
Adjustable Geometry: The Tuning Chip™ dropout system allows for customizable wheelbase and bottom bracket height, adapting to different riding styles and terrains.
Wide Tire Clearance: Compatible with 700c x 50mm, 650b x 50mm, and 29″ x 2.0″ tires, offering versatility for various riding conditions.
Multiple Mounts: Equipped with mounts for racks, fenders, and bottle cages, making it suitable for bikepacking and long-distance touring.
Specs
| Bottom bracket standard | 68mm BSA threaded |
| Q-factor | 146mm with Shimano RS510 crankset |
| Maximum chainring size | 2x 53T round; 1x 50T round or 46T oval |
| Front derailleur type | 31.8mm clamp, bottom pull |
| Headset | ZS44/28.6 upper, EC44/40.0 lower |
| Seatpost diameter | Ø27.2mm |
| Internal dropper post routing | Yes. Exit port on bottom of seat tube |
| Seatpost clamp | Ø31.8mm |
| Front/rear hub standard | 100x12mm thru axle / 142x12mm thru axle |
| Front/rear axle | Ø12x125mm front, TP=1.5, TL=15mm / Ø12x180mm rear, TP=1.5, TL=12mm |
| Derailleur hanger | Wolf Tooth Tuning Chip Right Dropout |
| Rear brake (rotor) | Flat mount, 74mm post mount available(160mm) |
| Front brake (rotor) | flat mount native, 74mm post mount adapter available (160mm) |
| Fork axle-to-crown | 420mm |
| Fork offset | 47mm |
| Bare frame weight (54cm) | 4.7lbs (2120g) |
| Fork weight (Lithic Hiili) | 490g |
| Tire clearance (frame) | 40mm at 420mm chainstay position, 50mm at 430/440mm chainstay positions |
| Tire clearance (fork) | Max clearance 29″ x 2.1″ (54-622) |
| Braze-ons | Three bottle frame mounts, fender, rack, cable clamps, two three-pack mounts on fork |
| Frame Bag Dimensions | 49cm 52cm 54cm 56cm 58cm 60cm |
| Seatpost Insertion Depth | Small 250mm; Medium 290mm; Large 320mm; X-Large 310mm |
| Max weight (rider + gear) | 275 lbs. |
| Max spacer stack under stem | 40mm |
| Max spacer stack above stem | 10mm |
| Max stem bolt torque | 6 Nm |
Warranty
Warranty Coverage:
- All Otso frames are warranted against defects in materials and workmanship for 5 years from the date of retail purchase.
- This warranty applies to the original owner only and is not transferable.
- Please keep your sales receipt or order number for any warranty claims to ensure a quick resolution.
What’s Not Covered:
- Damage from improper assembly, maintenance, or user/assembler inexperience.
- Modifications, neglect, misuse, competition, commercial use, or accidents.
- Installation of incompatible components, parts, or accessories.
- Normal wear and tear, or damage to paint, surface finish, or aesthetics.
- Compatibility of original components with a replacement frame is not guaranteed.
- Costs for labor, parts removal, refitting, or re-adjustment, including wheel rebuilds.
Claim Process:
- Warranty claims are limited to the repair or replacement of the defective frame, at Otso’s discretion.
- This warranty does not cover incidental or consequential damages.
Legal Information:
- This warranty gives you specific legal rights, which may vary based on location. It does not affect your statutory rights.