描述

ROTOR 正圓齒片（非 Q-Ring）BCD110×4

ROTOR Round Chainrings (No Q-Ring) BCD110×4

產品概述

ROTOR 正圓齒片位專為偏好傳統圓形齒片手感的騎士設計，提供與 Q-Ring 橢圓齒l片截然不同的踩踏體驗。採用 7075 T6 航太級鋁合金 100% CNC 精密加工，兼顧高強度、輕量化與精準變速性能。正圓設計帶來一致、可預期的踩踏節奏，適合公路、礫石與鐵人三項等騎乘情境。

主要特點

• 正圓設計：踩踏節奏一致，動力輸出可預期，適合偏好傳統圓盤手感的騎士。

• 7075 T6 鋁合金：航太級材質，100% CNC 加工，輕量耐用。

• 快速精準變速：優化齒型設計，提供迅捷可靠的變速性能。

• 多元相容：支援 ROTOR 模組化曲柄、INspider 功率計，以及多款 Shimano 曲柄。

技術規格（2X 雙盤系統）

可選齒數組合

11s / 12s（Shimano 相容）
46/36T、50/34T、52/36T、53/39T、54/39T、54/42T 

SRAM AXS 12s 專用
48/35T、50/37T 

相容性

曲柄：

• ROTOR 全系列使用 BCD110×4 盤爪的模組化曲柄

• ROTOR INspider 功率計

• Shimano Dura-Ace FC-R9200-P / FC-R9200 / FC-R9100

• Shimano Ultegra FC-R8100-P / FC-R8100 / FC-R8000

變速系統：

• Shimano 2x10s / 2x11s / 2x12s

• SRAM 2x11s、SRAM eTap AXS 2x12s（AXS 專用版本）

• ROTOR 2x10s / 2x11s / 2x12s

備註

• 此為 2X 雙盤系統齒盤組，需搭配對應的盤爪或功率計使用（不包含盤爪、螺絲、曲柄）。

• 部分 Shimano 12 速曲柄安裝時，可能需要於軸心右側加裝 0.5mm 墊片（外盤隨附）。

• 另有 Aero 空力版本，提供更佳的空氣力學表現，適合計時賽與鐵人三項 。

Product Overview

ROTOR Road Round Chainrings are designed for riders who prefer the feel of traditional round chainrings. Made from 7075 T6 aerospace-grade aluminium with 100% CNC machining, they balance high strength, low weight, and precise shifting performance. The round profile delivers a consistent, predictable pedal stroke, ideal for road, gravel, and triathlon riding.

Key Features

• Round Design: Consistent pedal rhythm and predictable power delivery for traditional round-ring feel.

• 7075 T6 Aluminium: Aerospace-grade material, 100% CNC-machined for lightweight durability.

• Fast, Precise Shifting: Optimized tooth profile for quick, reliable gear changes.

• Wide Compatibility: Works with ROTOR modular cranks, INspider power meters, and select Shimano cranks.

Technical Specifications (2X Double)

Available Chainring Combos

11s / 12s (Shimano Compatible)
46/36T, 50/34T, 52/36T, 53/39T, 54/39T, 54/42T 

SRAM AXS 12s Specific
48/35T, 50/37T 

Compatibility

Cranks:

• All ROTOR modular cranks using BCD110×4 spider

• ROTOR INspider power meter

• Shimano Dura-Ace FC-R9200-P / FC-R9200 / FC-R9100

• Shimano Ultegra FC-R8100-P / FC-R8100 / FC-R8000

Groupsets:

• Shimano 2x10s / 2x11s / 2x12s

• SRAM 2x11s, SRAM eTap AXS 2x12s (AXS-specific version)

• ROTOR 2x10s / 2x11s / 2x12s

Notes

• This is a 2X double chainring set — spider, bolts, and cranks are NOT included.

• For some Shimano 12-speed cranks, a 0.5mm washer may be required on the right side of the axle (included with outer chainrings).

• An Aero version is also available for improved aerodynamics, ideal for time trial and triathlon .