Zipp ZM1 Hub
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In designing an upgraded hubset for our pro-proven Firecrest wheel lineup, we turned to our engineering colleagues at SRAM’s development center in Schweinfurt, Germany. The result is the ZR1 hubsets for disc wheels. This hubset features better seal design for improved durability and quicker response with 66 points of engagement. Our engineers spent more than two years developing the ZR1. Proving the durability of the hubset included more than 58,500km of test riding, part of 3,222 hours of total testing. The ZR1 features key technology from Zipp’s Cognition hubs. The seal design is the same as the Cognition, with a large dust cap at the base of the driver body and better bearing seals for more protection. The bearing size also is the same as the Cognition, although the Cognition uses a premium bearing. The six pawls are offset to work in two groups of three pawls. At any time, there are always three pawls engaging. This design creates a quick engagement feel, with 66 points of engagement. The driver body is designed so pawls stay in place for disassembly to make service convenient. Zipp hubs are designed to use J-bend spokes, the most popular type of spokes today. J-Bend, widely available, are easier to replace. ZR1 hubs are approved for use with light-assist electric bikes for road or gravel if the motor's torque does not exceed 55 Nm.
FEATURES
- Better sealing, increasing durability over previous hub model
- Quick engagement for a responsive ride
- Light weight
- Same bearing size and caps as premium-level Cognition hub
- Disc brake hub with Center locking rotor interface. The lock ring is included
- Disc and rim brake variants
- Through axles or QR with removable end caps
- XDR or SRAM / Shimano variants
- Lifetime Warranty
- Light-assist e-bike approved (motor torque 55 Nm or under).
SPECIFICATIONS
Orientation Front, Rear
Axle type TA 12x100, TA 12x142
Spoke holes 20, 24, 28
Brake compatibility Disc (Center Lock)
Driver body type n/a, SRAM XDR, SRAM/Shimano Road
Over Locknut Material n/a
Color (hub) Black
Driver Mechanism 6 Pawls Leaf Spring, 66 POE, n/a
Axle material Aluminum front & rear
Axle - Convertible No
Driver body material Aluminum, n/a
Hub shell Aluminum – Angled flanges – Fully machined
OLD 100mm, 142mm
Bearings Cartridge - Steel
Power Measurement Not Compatible
30 Day Easy Returns
Items in new, unused condition in the original packaging can be returned for a refund within 30 days of the original purchase date. See our full returns policy.
Free shipping on orders $150+
Free Shipping on all orders $150+ anywhere in NZ. Orders ship within 3 business days of placing the order, but usually go out faster.
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