Aerospace-grade engineering for uncompromising lightweight performance. Round head & T-head carbon spoke compatible straight-pull road disc hubs.
279 ± 5g / setFront 87g · rear 189g
100 / 142mmFront / rear OLD
Center LockBrake interface
36T / 45T PG Ratchet Driving system
Front
01 / Front Hub Engineering
SR270 Front Road Disc Hub
The SR270 Front Hub combines aerospace-grade materials with precision manufacturing to deliver exceptional straight-pull performance and reliability.
Smart Convertible End CapsConvertible end caps ensure your hub is always ready for 12mm or 15mm thru-axles.
Precision Smooth RotationDual 6803 bearings provide silky-smooth rotation with minimal friction, ensuring efficient power transfer and extended component life.
Versatile Compatibility20-hole straight-pull with 14G gauge, 100mm OLD spacing. Includes both Φ9mm QR and Φ12mm THRU end caps for modern performance frame compatibility.
The strategic combination of AL6061 hub body and AL7075 axle creates the perfect balance of durability and lightweight performance.
02 / Rear Hub Performance
SR270 Rear Road Disc Hub
Advanced PG Ratchet system and optimized bearing configuration for instantaneous power delivery on every pedal stroke.
Advanced PG Ratchet EngagementProprietary PG Ratchet mechanism with 36T or 45T options delivers near-instantaneous engagement for responsive acceleration and precise control.
Optimized SpacingFeaturing 142mm OLD spacing, the rear hub provides enhanced stiffness, optimized tire clearance, and dependable performance for modern wheel builds.
Enhanced Load DurabilityDual 15267 and 6802 bearings are specifically selected to handle the increased torque and load requirements of rear wheel applications.
With P.C.D. dimensions of Φ34.8mm–Φ41.4mm, the rear hub provides exceptional bracing angle for improved wheel stiffness and power transfer.
Rear
Material Science Excellence
Precision-engineered alloys for maximum performance and durability
AL 6061 Structural Alloy
Used for the hub body, AL6061 provides the perfect balance of strength, weight, and vibration damping essential for high-performance cycling applications.
AL 7075 Aerospace Alloy
Reserved for critical stress components like the freehub and axle, AL7075 offers exceptional strength-to-weight ratio and fatigue resistance under high-load conditions.
Full Specification
For wheel builders speccing a full build — every number a lacing plan needs, in one place.
Specification
Front
Rear
Material
AL 6061 (Body) + AL 7075 (Axle)
AL 6061 (Body) + AL 7075 (Freehub & Axle)
Spoke system
Straight Pull (Round Head & T-head Carbon Spoke)
Spoke holes
20H
20H
Spoke gauge
14G
Bearings
2 × 6803
2 × 15267 / 6802
Brake interface
Center Lock
OLD & End Caps
100mm (Φ9 QR + Φ12 THRU)
142mm (12mm THRU)
P.C.D.
Φ35.1mm – Φ35.1mm
Φ34.8mm – Φ41.4mm
Freebody system
—
PG Ratchet (36T or 45T)
Weight
279 ± 5g / set
Choose SR270, Ready to Elevate Your Ride
Performance engineered for the ride. Every component — lightweight alloys, precision bearings — boosts your ride on every road.
✓Super light 279 ± 5g / set set weight
✓Round head & T-head compatible
✓36T / 45T ratchet options
✓QR + Thru dual end cap option
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