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GRX 前變速器 2x12 速
FD-RX820

SHIMANO GRX RX820-F 前變速器採用肘節式連結結構,以及整合式的線張力調節器,提供更輕盈的前變速操控與更簡易的設定。其中設計採用 2.5 mm 外推 Chain Line,提供更寬廣的輪胎間隙,適合在混合地形騎乘,並涵蓋 17T 前齒盤範圍,提供更廣泛的檔位選項。

Silver
Red
Black
38, wide
39, wide
39.5, wide
40, wide
40.5, wide
41, wide
41.5, wide
42, wide
42.5, wide
43, wide
43.5, wide
44, wide
44.5, wide
45, wide
45.5, wide
46, wide
46.5, wide
47, wide
48, wide
49, wide
50, wide
38
39
39.5
40
40.5
41
41.5
42
42.5
43
43.5
44
44.5
45
45.5
46
46.5
47
48
49
50
stiffness

SHIMANO GRX RX820-F 前變速器採用肘節式連結結構,以及整合式的線張力調節器,提供更輕盈的前變速操控與更簡易的設定。其中設計採用 2.5 mm 外推 Chain Line,提供更寬廣的輪胎間隙,適合在混合地形騎乘,並涵蓋 17T 前齒盤範圍,提供更廣泛的檔位選項。

FEATURE

Lightweight SHIMANO ULTREAD XC rubber outsole delivers competition-grade grip that lasts.

FEATURE

Surround wrapping upper structure reduces overlap and provides a glove-like fit.

FEATURE

Rider-tunable spikes allow riders to select and swap spikes to match riding styles and conditions.

FEATURE

Rigid, lightweight carbon fiber reinforced midsole.

FEATURE

Supple high-density synthetic leather with perforation and lightweight mesh/TPU combination bring superior fit and comfort.

FEATURE

Dual independent BOA® L6 dials allow quick, micro tension adjustments.

FEATURE

Adjustable power zone lace guide securely holds forefoot.

PRODUCT SPECIFICATION

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