Extralite CyberRear SP2-B Brompton Rear Hub
Extralite CyberRear SP-2B Brompton Rear Hub Overview
Extralite enhances its portfolio of high-performance cycling components with the CyberRear SP-2B rear hub, meticulously designed for Brompton folding bikes. This hub exemplifies Extralite's commitment to combining lightweight construction with exceptional durability and precision engineering, perfect for optimizing your Brompton’s performance.
Key Features
Lightweight Construction:
- Weight: At only 116 grams (for the 20H HDC Bearings version), this rear hub is ideal for Brompton riders aiming to minimize their bike's weight.
Design and Durability:
- Optimized Spoke Bracing Angle: Engineered to optimize spoke bracing angles for improved wheel stiffness and stability.
- Radial Spoke Lacing Compatibility: Heat-treated flanges designed to handle radial spoke lacing on the left side, ensuring long-lasting durability.
- High-Quality Materials: Made from high-grade 7075 aluminum with a black anodized finish and laser-etched graphics for strength and a sleek look.
Axle and Bearings:
- Axle: The hub features an oversized 112mm, Ø17mm aluminum axle compatible with Brompton’s A-C-P and T-Line models, providing robust support and efficient power transfer.
- Bearings: Equipped with ABEC5 cartridge bearings, known for their high load capacity and smooth performance. Various bearing options include Abec5 Steel, 440C Stainless Steel, Hyper-Ceramic, and XD-15 Ceramic.
- Preload Tuner: External hexagonal preload tuner for easy bearing adjustment, ensuring optimal performance and longevity.
Additional Features:
- B-Lock System: Comes with special Titanium bolts for extremely lightweight and secure wheel mounting.
- Titanium Ratchet: Features a 32T titanium ratchet wheel with an oversized OR-spring and a sealed freewheel body for reliable engagement and durability.
Specifications:
- Hole Count: 20H, 24H (28H with radial lacing on the left side)
- Compatibility: Fits Brompton A-C-P and T-Line models
- Spacing: 112mm
- Weight: 116g for 20H with HDC Bearings (B-Lock special securing system 7.8g - Tensioner bolt 3.8g)
Manufacturing:
- Designed and manufactured entirely in Italy, ensuring the highest standards of craftsmanship and performance.
The Extralite CyberRear SP-2B rear hub is an exceptional upgrade for Brompton riders seeking a blend of lightweight construction, strength, and reliable performance. With its advanced features and meticulous engineering, this hub significantly enhances the functionality and ride quality of your Brompton folding bike.