Mini TorqKeys - Preset Torque Tool w/6 Bits & Holder - 2Nm, 3Nm, 4Nm & 5Nm Bundle

The Smallest Preset Torque Tools Available

Designed specifically for cyclists, Mini TorqKeys deliver professional torque accuracy in an incredibly compact package that easily fits into any ride kit, saddle bag, or jersey pocket.

Factory Preset Torque Accuracy

• Factory preset to a single torque value for fast, repeatable tightening.
• No adjustments or setup required.
• Simply tighten until the patented mechanical overrun provides unmistakable tactile feedback.
• Automatically resets after every use.

Patented Torque-Limiting Technology

• Patented ball-bearing spring-release mechanism.
• 20° mechanical overrun clearly signals when preset torque is reached.
• Internal spring design resists calibration drift.
• Factory calibrated for long-term repeatable accuracy.
• Safe for tightening and unscrewing without affecting calibration.

Built for Cyclists

• Extremely compact and lightweight.
• Comfortable finger grip provides excellent control.
• Magnetic bit holder for quick bit changes.
• Includes six bicycle-specific tool bits.
• Uses any standard 1/4" hex bit.

Ideal for Modern Bicycles

• Helps prevent over-tightening of carbon fiber and lightweight alloy components.
• Perfect for stems, handlebars, seatposts, controls, bottle cages, and accessories.
• Designed for road, gravel, MTB, cyclocross, BMX, commuter, touring, and e-bikes.

Trusted Performance

Built using the same engineering principles found throughout the Prestacycle torque tool family and trusted by professional mechanics who demand fast, repeatable torque.

Product Information

Product Type: Preset Torque-Limiting Pocket Bit Driver
Product Category: Torque Tools
Torque System: Preset Torque Limiter
Torque Limiting Method: Internal Torque-Limiting Mechanical Overrun
Primary Application: Bicycle Assembly and Service
Bike Compatibility: Road, Gravel, MTB, BMX, Cyclocross, Commuter, Touring, E-Bike
Assembly Required: No
Family: Mini TorqKeys™
Model: 2, 3, 4 and 5 Nm
Manufacturer: Prestacycle
Brand: Prestacycle
SKU: 772345
Country of Origin: Taiwan
Country of Design: USA
Warranty: 1 Year

Torque Performance

Preset Torque: 2, 3, 4 and 5 Nm
Preset Torque Setting: Factory Set
Preset Torque Adjustable: No
Torque Units: Nm
Torque Accuracy: ±6%
Torque Release Feedback: 20° Mechanical Overrun
Torque Limiting Reset: Automatic
User Adjustable: No
User Calibration Required: No
Calibration Method: Factory Calibrated
Calibration Stability: Spring Design Prevents Calibration Drift
Rated Torque Cycles: 5,000+ @ Preset Torque

Operation

Clockwise Operation: Torque Limiting
Counterclockwise Operation: Direct Drive for Unscrewing (No Torque Limiting)
Safe for Unscrewing: Yes
Maximum Unscrewing Torque: 15 Nm
Routine Maintenance: None Required

Construction

Handle Material: ABS Polymer
Handle Grip: Compact Finger Grip
Bit Retention: Magnetic Bit Holder
Finish: Color-Coded Handle for Easy Torque Identification
Handle Color: Black (2 Nm) / Grey (3 Nm) / Red (4 Nm) / Orange (5 Nm)

Drive, Bits & Compatibility

Drive Interface: Standard 1/4" Hex
Compatible Bit Standard: Standard 1/4" Hex Bits
Compatible Accessories: All Prestacycle 1/4" Hex Bit Sets and Accessories
Compatible Bit Types: Hex, Torx, Security Torx, Phillips, Pozidriv, Flat Blade, 1/4" Sockets (with Optional Adapter), Any Standard 1/4" Hex Bit

Included Items

2 Nm Model

Included Hex Bits: H2, H2.5, H3
Included Torx Bits: T10, T20
Included Phillips Bits: PH0

3 Nm Model

Included Hex Bits: H2, H2.5, H3
Included Torx Bits: T10, T20
Included Phillips Bits: PH0

4 Nm Model

Included Hex Bits: H3, H4, H5
Included Torx Bits: T20, T25
Included Phillips Bits: PH1

5 Nm Model

Included Hex Bits: H4, H5, H6
Included Torx Bits: T20, T25
Included Phillips Bits: PH2

Bit Storage: 6-Bit Holder Included
Extension Included: No
Carrying Case Included: No

Applications

Torque Function: Yes
Ratchet Function: No
Fast Tightening: Yes
Fast Loosening: Yes
Precision Final Tightening: Yes
Stem Bolts: Yes
Handlebar Clamp Bolts: Yes
Seatpost Clamp Bolts: Yes
Brake Rotor Bolts: Yes
Brake Lever Clamp Bolts: Yes
Derailleur Clamp Bolts: Yes
Bottle Cage Bolts: Yes
Accessory Mount Bolts: Yes
Pedal Installation: No
Pedal Removal: No
Cassette Lockring: No
Bottom Bracket Cups: No
Crankarm Axle Bolts: No
Professional Shop Use: Yes
Home Mechanic Use: Yes
Travel Use: Yes
Ride Kit Use: Yes
Jersey Pocket Compatible: Yes
Saddle Bag Compatible: Yes
Bikepacking Compatible: Yes

Dimensions & Weight

Overall Length: 24 mm (0.94 in)
Overall Width: 52 mm (2.05 in)
Overall Height: 78 mm (3.07 in)
Dimensions (Imperial): 0.94 × 2.05 × 3.07 in
Tool Weight: 50 g
Bit Holder with Bits Weight: 35 g
Total Package Weight: 85 g

Service & Support

Replacement Parts Available: Replacement Bit Sets
Storage Recommendation: Dry Environment
Patent Status: Patented
Primary Technology: Ball-Bearing Spring-Release Torque-Limiting Mechanical Overrun
Intended User: Professional Mechanics, Home Mechanics, Mobile Mechanics, All Cyclists, Bikepackers, Travel, Race Support Mechanics
Packaging Type: Heat-Sealed Retail Bag

Specifications are subject to change without notice. Prestacycle continually improves its products through ongoing engineering and manufacturing refinements.

Disclaimers

Check with the manufacturer of your components and fittings for proper torque specifications. Always follow Manufacturer guidelines for installation and removal of nuts, bolts and screws.