Skip to product information
1 of 6

The Matter Shop

ZRACE 12s Chainrings 7075AL for SHIMANO Direct Mount Crank,FC-M9100 FC-M8100 FC-M7100,SM-CRM95 SM-CRM85 SM-CRM75, 32T/34T/36T/38

ZRACE 12s Chainrings 7075AL for SHIMANO Direct Mount Crank,FC-M9100 FC-M8100 FC-M7100,SM-CRM95 SM-CRM85 SM-CRM75, 32T/34T/36T/38

Regular price $35.99 USD
Regular price $0.00 USD Sale price $35.99 USD
Sale Sold out
Color
Quantity

SPECIFICATIONS

Brand Name: ZRACE

Category: Chain Wheel

Choice: yes

High-concerned chemical: none

Material: aluminum

Model Number: ZRACE

Origin: Mainland China

Type: Bicycle Chainwheel

Use: BMX,Mountain Bikes

ZRACE SHIMANO direct-mount positive and negative tooth single-disc chainring (32T–38T)
 
Basic Parameters
Brand: ZRACE
Material: 7075 high-strength aluminum alloy
Heat treatment: T6 strengthening treatment
Manufacturing process: 3D CNC precision cutting
Tooth structure: Dynamic Chain Engagement+ technology
Installation method: Direct Mount (Specification: SHIMANO)
Surface properties: Vickers hardness HV150+ (for comparison: SRAM GX is approximately HV120+)
 
Compatibility Notes
Applicable speed range: 11-speed / 12-speed (downward compatible with 11-speed)
Compatible crankset series: SHIMANO direct-mount specification crankset
Examples of compatible models: FC-M9100 / FC-M9120 / FC-M8100 / FC-M8120 / FC-M8130 / FC-M7100 / FC-M7130 / FC-MT900
 
Weight reference (±3%)
32T: about 68g
34T: approximately 78g
36T: approximately 87g
38T: approximately 96g
 
Product Features
Using 7075-T6 aluminum alloy combined with 3D CNC technology, a balance between lightweight and high rigidity is achieved
Equipped with professional chain retention technology, it can provide excellent chain stabilization even under bumpy road conditions
The specially designed positive and negative tooth profiles ensure smoother transmission and effectively reduce noise and wear
The direct-mount design boasts a simpler structure, allowing for quick disc replacement via a dedicated locking ring
 
Kind Reminder
This product is a direct-mounted disc, excluding the crank and lock ring
Confirmation of specification: Applicable only to SHIMANO direct-mount specification cranks
Recommendation: Regularly inspect the wear condition of the chain to maintain optimal transmission performance


View full details