PureTrek ALU MTB Aluminum Crank Set
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Estimated Delivery:Oct 20 - Oct 24
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Free Shipping & Returns: On all orders over $75
Material: 7075 CNC,
Weight: 642g
SPINDLE:29MM "DUB" BOOST（29x100 mm）
Chainring: 8-Bolt SRAM Interface
Crank Length: 155mm, 162.5mm, 172.5mm, and 155mm for DJI/Bosch Motor
Rigid oxidation, with the Hollow out design, torsional rigidity and strength remain intact
The ALU series cranks are meticulously engineered from 7075 forged aluminum alloy utilizing advanced CNC machining techniques, specifically designed for high-performance applications in mountain biking. The combination of premium-grade materials and an optimized structural design results in superior strength-to-weight performance, ensuring enhanced durability and reliability under demanding conditions.
Designed specifically for mountain bikes, these cranks feature a hollow structure that significantly reduces weight while ensuring exceptional torsional stiffness and strength, meeting the demands of high-intensity riding.
Black color/ Silver color: US$189.00/set, Tax Excluded
Nebula / Golden Jade color: US$214.00/set, Tax Excluded
Hard Anodized Gray color: US$214.00/set, Tax Excluded
Technology
DUB Specifications
Compatible with SRAM-DUB specifications, these cranks offer portability and ease of use.
SPINDLE:29MM
The ALU series crank spindle has a diameter of 29mm and is compatible with the widely used DUB standard, providing users with a broader range of options for compatible components.
8 Bolt SRAM Interface
The ALU series cranks feature a 8 Bolt SRAM Interface mounting pattern, ensuring compatibility with chainrings that utilize the same installation standard available on the market.
29×100mm Spindle
The "29" indicates support for a spindle diameter of 29mm, while "100" refers to the maximum allowable installation width of the cranks, which is 100mm.
Precision Reinforcement And Thickening Design.
The ALU series cranks incorporate strategic reinforcement and increased thickness in high-stress zones, providing superior structural support and durability under extreme loads.
Hollow Design
Due to the presence of thickened areas, the hollow design maintains sufficient material support, ensuring excellent torsional rigidity of the pedal.
7075 Aluminum Alloy
ALU Crankset Weight: 642g
Crank Length: 162.5mm
Bottom Bracket Specification: 70mm
Specifications
| Matrial | CNC'D 7075 Aluminum |
| Crank Length | 155mm, 162.5mm, 167.5mm |
| Weight | 642grams |
| Spindle | SPINDLE:29MM "DUB" BOOST |
| Chainring | 8-Bolt SRAM Interface |
| 29x100mm Spindle Q-Factor | 179mm |
| Spindle options | 29x100mm, 29x113mm, 29x118mm |
| Colors | Black, Silver, Hard Anodized Grey, Nebula, Golen Jade |
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