#5 on this list
Detachable
Deerfun
The Deerfun Detachable represents the most basic, minimalist approach to cockpit phone security. Made almost entirely from molded elastic silicone, this budget-priced mount wraps flexible bands around the corners of your phone and secures to the handlebar via an integrated silicone pull-strap. It is ideal for occasional riders, cruiser bikes, fitness gym stationary bikes, or emergency backups where cost and portability trump high-end engineering. Reviewers frequently highlight the Deerfun for its shock absorption and simplicity. Because silicone naturally stretches and flexes, the mount absorbs small road vibrations that would otherwise travel directly into the phone's internal camera sensors. The detachable component allows the phone cradle to twist off the base strap without removing the entire handlebar assembly, making it easy to answer a call or snap a photo at a stoplight. The clear compromises stem from its elastic construction. Silicone straps inevitably stretch over the front screen, frequently obstructing edge-to-edge touch gestures, facial recognition sensors, and corner-mounted cameras. At higher road speeds or over washboard surfaces, the elasticity causes the phone to wobble and bounce visually, making the screen hard to read. Furthermore, raw silicone degrades under sustained UV exposure, meaning it will need replacement sooner than rigid mechanical brackets. **Highlights** - Ultra-low price point accessible to any budget - Elastic silicone provides passive vibration damping - Detachable swivel head allows phone removal without unstrapping base - Completely tool-free pull-tab handlebar attachment - Packs flat into a pocket or seat bag **Watch-outs** - Corner straps block portions of the touchscreen and face scanners - Bounces and wobbles over rough surfaces - Silicone material degrades and weakens with long-term UV exposure
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#6 on this list
Lock Out Front Bike Mount
Quad
The Quad Lock Out Front Bike Mount is widely considered the gold standard for high-security, bombproof mechanical attachment. Long favored by endurance cyclists, downhill mountain bikers, and rough-road gravel riders, the Quad Lock system centers around a patented dual-stage mechanical twist lock. You set the phone at a 45-degree angle, twist, and an internal spring-loaded collar locks the mount into position with zero play. Independent testing routinely ranks the Quad Lock system as the most secure mechanism available. The out-front arm is molded from rigid glass-filled polycarbonate, extending the phone cleanly ahead of the stem for aerodynamic viewing. Once clicked in, the phone cannot shake loose, pop off, or rotate unintentionally—the blue release collar must be physically depressed downward while twisting the phone to release it. For riders navigating technical singletrack or pothole-strewn urban streets, it provides absolute peace of mind. The primary drawback is the mandatory investment in the Quad Lock ecosystem. You must use a Quad Lock phone case, which adds noticeable thickness and a raised circular cutout on the back, or install their semi-permanent industrial adhesive adapter. Releasing the phone also requires a coordinated two-handed or disciplined one-handed technique that takes more deliberate effort than magnetic setups. **Highlights** - Patented dual-stage spring mechanical locking collar - High-strength glass-filled polycarbonate out-front arm - Completely immovable hold over severe bumps and drops - Compatible with optional action camera/light underside mounts - Reversible arm allows mounting over the stem or out front **Watch-outs** - Requires dedicated Quad Lock case or strong adhesive universal plate - Phone cases are thick with a prominent rear mounting hub - Requires deliberate twist-and-push action to disengage
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Specs side by side
| Spec | Detachable | Lock Out Front Bike Mount |
|---|---|---|
| Primary Material | Molded elastic silicone | — |
| Mounting Style | Pull-through stretch strap | — |
| Phone Retention | Four-corner elastic bands | — |
| Removal Type | Detachable rotating cradle | — |
| Typical Price | Approximately $8 | — |
| Tool Requirement | Completely tool-free | — |
| Mount Type | — | Out-front handlebar clamp |
| Material | — | Glass-filled nylon polycarbonate |
| Lock Style | — | Dual-stage mechanical twist lock |
| Handlebar Sizes | — | 22mm, 25.4mm, and 31.8mm (with spacers) |
| Phone Requirement | — | Quad Lock case or universal adapter |
| Orientation | — | Portrait or landscape |
What our reviewers liked and didn't
Detachable
- Extremely affordable price point accessible to any budget
- Silicone body naturally dampens subtle, high-frequency road buzz
- Detachable cradle allows quick phone removal without taking off the base
- Installs and removes in seconds without any tools or hardware
- Corner bands obscure screen edges, swipe gestures, and face sensors
- Flexible silicone bounces visibly across rough pavement and bumps
- Material is prone to UV degradation and tearing over long-term outdoor use
Lock Out Front Bike Mount
- Virtually fail-proof mechanical twist-lock retention over rough terrain
- Rigid glass-filled polycarbonate arm eliminates screen wobble and bounce
- Reversible design allows mounting either out-front or back over the stem
- Leaves handlebar space open for bells and other cockpit accessories
- Requires a proprietary phone case or semi-permanent adhesive adapter
- Disengagement lever can be awkward to operate while wearing heavy gloves
- Rear case hub prevents the smartphone from resting completely flat
Prices change constantly — the figure shown is the last verified catalog price, and the buy buttons always go to the current listing.