Mini TorqKeys - Preset Torque Tool w/6 Bits & Holder

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.

California Proposition 65 Warning

This product can expose you to chemicals including Nickel (Metallic), Lead, Diisononyl Phthalate (DINP), Urethane (Ethyl Carbamate), 1,3-Butadiene or Styrene, which is known to the State of California to cause cancer or reproductive harm.

For more information, go to www.P65Warnings.ca.gov.

Prestacycle Statement:

• Products made with Stainless or Plated Steel contain Nickel (Metallic).
• Products made with Brass contain Federally accepted trace amounts of Lead.
• Most soft Plastics including Vinyl contain Diisononyl Phthalate (DINP) .
• Buna Rubber contains1,3-Butadiene and Styrene.

Prestacycle manufactures it’s products with these materials as they are the highest standard available to manufacture these products to suit their purpose. Prestacycle does not dispute any of the findings made by California or the Federal Government. The health and safety of our customers is very important to us. We will always take every step possible to insure our products are as safe as possible.

Prestacycle warrants our TorqKeys to be free of defective material or workmanship for one year, or within the rated life-cycle, and under the conditions stated herein. This warranty will not apply to wear and tear from repeated use or damage from excessive force. TorqKeys should never be used to remove fittings other than those just tightened by TorqKeys. This warranty is expressly limited to repair or replacement of product found to be defective. Prestacycle assumes no liability for loss or damage due to failure of any product to perform satisfactorily. Prestacycle makes no other warranty, expressed or implied, except that of title. Any and all other warranties are expressly disclaimed.

This warranty applies under conditions of intended use and is exclusive of equipment subjected to: Failure to follow recommended service procedures, Excessive duty cycle, exposure to the elements, shipping damage and modification not authorized by Prestacycle. No warranty claims will be honored without prior authorization for repair from Prestacycle. Any replaced or repaired equipment will be warranted for the remainder of the warranty term only.