Arundel
DTR-Mandible OtherSideloader
Best side-loading cage for mountain bikers needing quick down tube access.
Experience the Arundel DTR-Mandible OtherSideloader, a high-performance bottle cage engineered for effortless access and robust durability. Its 'DTR' designation highlights its Down Tube Right side entry, perfect for quick hydration, especially on challenging terrain. Developed over two years and tested in intense MTB World Cup competitions, this cage ensures reliability when you need it most. Designed to integrate seamlessly with the Mandible cage system, it offers a lightweight solution that enhances your cycling experience without adding unnecessary bulk.
$79.99
Owner Satisfaction
4.5
/ 5
Category Rank
670
/ 2104
#670 in Components
Price vs Category Average
-22%
Below average
Weight
25
/ grams
Who it's for
- Cyclists riding compact frames with limited clearance
- Gravel riders needing reliable bottle retention on rough terrain
- Weight-conscious riders prioritizing long-term durability
Who should skip it
- Budget-focused riders seeking affordable accessory options
- Cyclists who frequently swap cages between different bike setups
- Aesthetic-focused riders concerned about bottle surface scuffing
Performance breakdown
Retention Security
World Cup pedigree ensures your bottle stays put on technical trails.
Access Ergonomics
Side-loading geometry makes mid-ride hydration fluid and intuitive.
Weight Efficiency
At 25 grams, it adds zero meaningful weight to your setup.
Build Durability
Rugged construction withstands the harsh vibrations of aggressive mountain biking.
Frame Compatibility
Optimized for down tube mounting, though limited to right-side access.
System Integration
Seamlessly pairs with the Mandible ecosystem for a cohesive cockpit.
Key Specs
Weight
25 grams
Model Number
DTR2017-01
Target Gender
Unisex
Features
- Easy side-loading bottle access
- Optimized for right-side down tube mounting
- Proven in MTB World Cup competition
- Pairs with Mandible cage system
- Extremely lightweight design
- Durable for demanding rides
What customers say
The Arundel DTR Mandible OtherSideloader earns high praise, especially for its exceptional bottle retention and side loading capability. Riders confirm the secure grip remains rock solid across rough terrain, making hydration access quick and reliable, particularly on full suspension or small framed bikes where standard cages fail. Its durable, lightweight construction adds to the premium feel, complementing high-end builds. While the superior engineering is acknowledged, the high price positions this as a luxury accessory. Some users note the initial retention is very tight, requiring a short break-in period. Overall, it is considered a best in class solution for its specific niche.
Know before you buy
DTR stands for 'Down Tube Right.' This indicates the cage is specifically designed for right-side bottle entry when mounted on the down tube, allowing for easier access while riding.
While it is optimized for the down tube, you can mount it on the seat tube. However, keep in mind that the side-loading orientation will be reversed, so ensure the access direction aligns with your preference.
Yes, the Mandible design was developed and tested in MTB World Cup competition. It provides a secure grip on the bottle to prevent it from ejecting on technical terrain.
The cage weighs 25 grams, making it an extremely lightweight option that won't add unnecessary bulk to your bike setup.
It is designed to fit standard cycling water bottles securely. The carbon construction offers enough flex to accommodate most common bottle diameters while maintaining a firm hold.
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