描述
ROTOR 礫石車橢圓齒盤（Q-Ring）BCD110×4 / BCD80×4
ROTOR Gravel Oval Chainring (Q-Ring) BCD110×4 / BCD80×4
產品概述
ROTOR 礫石車橢圓齒盤採用 Q-Ring 設計，專為 Shimano GRX 2x 曲柄及 ROTOR 礫石車盤爪系統打造。以 12.5% 橢圓率優化踩踏效率，減少踩踏死點，提供更平順的動力輸出與更穩定的扭矩表現，同時降低長途騎乘時對膝關節的負擔。
主要特點
-
12.5% 橢圓率：減少死點時間，動力輸出更平順，扭矩更一致。
-
降低膝關節壓力：橢圓設計有助於減少長途騎乘對關節的負擔，提升舒適性。
-
7075-T6 鋁合金：100% CNC 精密加工，輕量且高強度。
-
Shimano GRX 相容：專為 GRX FC-RX600 / FC-RX810 2x 曲柄設計。
-
2x 雙盤系統：適用於 2×10 速及 2×11 速礫石車傳動系統。
技術規格
| 項目 | 規格 |
|---|---|
| 齒盤形狀 | 橢圓 (Q-Ring) |
| 橢圓率 | 12.5% |
| BCD（外盤） | 110×4 |
| BCD（內盤） | 80×4 |
| 材質 | 7075-T6 鋁合金，CNC 加工 |
| Chainline | 46.9 mm（礫石車） |
| 變速別 | 2×10 速 / 2×11 速 |
| 相容鏈條 | Shimano、KMC 11 速鏈條 |
| 適用曲柄 | Shimano GRX FC-RX600、FC-RX810 |
可選齒數
| 齒數 | 位置 | 建議組合 |
|---|---|---|
| 46T | 外盤 | 搭配 30T 內盤 |
| 48T | 外盤 | 搭配 31T 內盤 |
| 30T | 內盤 | 搭配 46T 外盤 |
| 31T | 內盤 | 搭配 48T 外盤 |
建議組合：30-46T 或 31-48T
相容性
-
曲柄：Shimano GRX FC-RX600、FC-RX810 2x 礫石車曲柄；ROTOR 礫石車盤爪
-
變速系統：Shimano 2×11 速及 2×10 速
-
注意：購買前請確認曲柄型號與 BCD 規格
備註
-
此為 2x 雙盤系統齒盤組，外盤 BCD110×4、內盤 BCD80×4。
-
原廠建議僅使用 30-46T 或 31-48T 組合，其他搭配可能影響變速性能。
Product Overview
ROTOR Gravel Q-Ring oval chainrings are designed for Shimano GRX 2x cranksets and ROTOR gravel spider systems. Featuring 12.5% ovality, they optimize pedaling efficiency by reducing dead spots, delivering smoother power delivery and more consistent torque while reducing knee stress on long rides.
Key Features
-
12.5% Ovality: Reduces dead spot time for smoother power output and more consistent torque.
-
Reduced Knee Stress: Oval design helps reduce joint strain on long rides for improved comfort.
-
7075-T6 Aluminium: 100% CNC-machined for lightweight strength and durability.
-
Shimano GRX Compatible: Designed specifically for GRX FC-RX600 / FC-RX810 2x cranks.
-
2x Double Chainring System: Suitable for 2×10-speed and 2×11-speed gravel drivetrains.
Technical Specifications
| Item | Specification |
|---|---|
| Chainring Shape | Oval (Q-Ring) |
| Ovality | 12.5% |
| BCD (Outer) | 110×4 |
| BCD (Inner) | 80×4 |
| Material | 7075-T6 Aluminium, CNC-machined |
| Chainline | 46.9 mm (Gravel) |
| Speeds | 2×10-speed / 2×11-speed |
| Chain Compatibility | Shimano, KMC 11-speed chains |
| Compatible Cranks | Shimano GRX FC-RX600, FC-RX810 |
Available Teeth
| Teeth | Position | Recommended Pairing |
|---|---|---|
| 46T | Outer | With 30T inner |
| 48T | Outer | With 31T inner |
| 30T | Inner | With 46T outer |
| 31T | Inner | With 48T outer |
Recommended Combos: 30-46T or 31-48T
Compatibility
-
Cranks: Shimano GRX FC-RX600, FC-RX810 2x gravel cranks; ROTOR gravel spider
-
Drivetrain: Shimano 2×11-speed and 2×10-speed
-
Note: Please confirm crank model and BCD specification before purchase
Notes
-
This is a 2x double chainring set: Outer BCD110×4, Inner BCD80×4.
-
ROTOR recommends using only 30-46T or 31-48T combinations; other setups may affect shifting performance.
商品評價
目前沒有評價。