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Spyderco Kapara Sprint Run 3.63 Inch CPM REX 121 Satin Blade Burnt Orange G10 Handle C241GPBOR UPC 716104019861
Product Description
The Spyderco® Kapara™ Sprint Run® (SKU: C241GPBOR / UPC: 716104019861) elevates Alistair Phillips' celebrated Australian custom "Redback" design into the upper echelon of modern production cutlery. Engineered as a high-performance everyday carry and food-prep folding knife, this limited-edition release replaces standard stainless steel with Crucible's apex tool steel alloy, CPM® REX® 121®. Supported by Spyderco's high-strength, spine-accessible Compression Lock® mechanism, the Kapara provides bank-vault lockup, rapid one-handed operation without fingers ever crossing the cutting path, and fluid ergonomics designed for prolonged precision slicing.
At the center of this exclusive build is a 3.63-inch full-flat-ground modified drop point blade formed from Crucible CPM REX 121, a high-speed powder metallurgy tool steel recognized worldwide for setting benchmark edge retention records. Heat-treated to an astonishing 68–72 HRC, REX 121 possesses an exceptional volume of extremely hard tungsten and vanadium carbides backed by a 9.0% cobalt-fortified matrix. Ground to a keen 0.118-inch spine thickness and finished in a refined satin luster, this blade maintains an ultra-sharp working apex through abrasive cutting media far longer than conventional cutlery alloys while reducing cutting drag across deep, continuous draw cuts.
The ergonomic chassis is sculpted with 3D-contoured peel-ply Burnt Orange G-10 handle scales that pay aesthetic tribute to classic Spyderco high-carbide Sprint Runs. Skeletonized stainless steel liners are nested into the scales to optimize structural rigidity without unnecessary mass, complemented by Phillips' signature red G-10 backspacer. Paired with a low-profile, reversible deep-pocket wire clip arranged for tip-up left- or right-side carry, the Kapara disappears comfortably into tactical pockets or casual attire, delivering an impeccably balanced 3.5-ounce footprint ready for discerning collectors and extreme cutting tasks.
*Bladesmith Bench Notes & Field Maintenance Guidance:*
Deployment, Carry & Metallurgy Advisory: Spyderco Compression Lock mechanism, phosphor bronze pivot washers, Crucible CPM REX 121 high-speed tool steel (68–72 HRC), and reversible tip-up deep-pocket wire clip. CRITICAL: CPM REX 121 is a non-stainless tool steel containing only 4.0% Chromium; it will develop patina or rust if left wet or exposed to acidic materials. Clean and dry the blade immediately after cutting and protect surfaces with a micro-thin layer of food-safe mineral oil or dedicated micro-barrier corrosion inhibitors. Never use conventional ceramics or natural Arkansas stones for sharpening; only high-grade diamond or CBN abrasives (15–18 degrees per side) are capable of cutting REX 121's vanadium and tungsten carbides without micro-chipping the apex. Avoid prying, torque stress, or high-impact chopping due to the extreme hardness and low ductility inherent to this steel class.
- Verify the blade path and work area are completely clear of obstructions, keeping fingers clear of the blade track and locking bar path during initial inspection.
- Depress the spine-mounted Compression Lock leaf to check factory detent tension, verifying smooth phosphor bronze washer travel and zero factory debris inside the nested liner pocket.
- Inspect the deep-pocket wire clip mounting screw using a dedicated T8 Torx driver; if reversing for left-hand tip-up carry, re-torque carefully using medium-strength blue threadlocker.
- Lubricate the pivot bearing surfaces sparingly with a high-viscosity synthetic knife pivot oil, applying a dedicated micro-crystalline wax or rust inhibitor across the exposed REX 121 blade flats.
- Execute final lockup verification by checking for zero horizontal or vertical blade deflection, confirming strict blade centering between the contoured G-10 handle scales before staging for carry.
Key Features
- Crucible CPM REX 121 Super-Steel Blade: Extreme-wear powder metallurgy tool steel heat-treated to 68–72 HRC, providing peerless edge retention and slicing endurance with a full-flat grind and satin finish.
- Contoured Burnt Orange G-10 Handles: Textured, radiused G-10 scales deliver exceptional ergonomics, tactile traction, and a distinct aesthetic complete with the Alistair Phillips signature red G-10 backspacer.
- High-Strength Compression Lock: Patented spine-mounted lock provides exceptional mechanical shear strength, effortless one-handed deployment via the Trademark Round Hole, and safe closing action.
- Deep-Pocket Wire Clip & Skeletonized Liners: Ambidextrous reversible tip-up wire clip provides discreet, low-drag carry supported by weight-relieved nested stainless steel liners.
Product Specifications
- Brand: Spyderco®
- Model/Series: Kapara™ Sprint Run®
- MPN / SKU: C241GPBOR / SP241GPBOR
- UPC: 716104019861
- Blade Length: 3.63" (92.2 mm)
- Blade Thickness: 0.118" (3.0 mm)
- Overall Length (OAL): 8.32" (211.3 mm)
- Closed / Handle Length: 4.69" (119.1 mm)
- Blade Steel: Crucible CPM® REX® 121® (68–72 HRC)
- Blade Style / Grind: Drop Point / Full-Flat Grind (FFG)
- Blade Finish / Color: Satin
- Edge Type: PlainEdge™
- Handle Material / Color: Textured G-10 / Burnt Orange (Red G-10 Backspacer)
- Locking / Action Mechanism: Compression Lock® / Manual Trademark Round Hole™
- Pocket Clip / Sheath: Reversible Deep-Pocket Wire Clip (Ambidextrous Tip-Up)
- Weight: 3.50 oz (99.2 g)
- Country of Origin: Taiwan (Taichung)
