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OKAI ES400 Front Wheel Set — Parts & Exploded View

Exploded diagram and orderable spare parts for the OKAI ES400A/ES400B Front Wheel Set assembly, with photos, specs, and Shopify links.

Levy Fleets TeamMay 28, 202610 min read

OKAI ES400 Front Wheel Set — Parts & Exploded View

Exploded view and every orderable (non-fastener) part in the Front Wheel Set assembly of the OKAI ES400A and ES400B. Fasteners for this assembly live in the ES400 Screw Reference.

How to use this page

Find the number next to a part in the exploded diagram below, then match it to the Callout on diagram value in each part entry. Shared ES400A/ES400B parts may carry a different callout number on each model's diagram.

Exploded Diagram

ES400A

OKAI ES400A Front Wheel Set exploded diagram

ES400B

OKAI ES400B Front Wheel Set exploded diagram

Parts (25)

Ordinary nut — `2040200027`

OKAI Ordinary nut (2040200027)

Field	Value
Callout on diagram (ES400A)	3
Callout on diagram (ES400B)	3
Qty per scooter	2
Fits	ES400A / ES400B
OKAI spec	`P1-1/4_26牙_8_ST_镀锌`

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Bead bowl set fixing set — `2031700054`

OKAI Bead bowl set fixing set (2031700054)

Field	Value
Callout on diagram (ES400A)	4
Callout on diagram (ES400B)	4
Qty per scooter	1
Fits	ES400A / ES400B
OKAI spec	`ES400系列_SUS304_本色`

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Bearing — `2040300038`

OKAI Bearing (2040300038)

Field	Value
Callout on diagram (ES400A)	5
Callout on diagram (ES400B)	5
Qty per scooter	2
Fits	ES400A / ES400B
OKAI spec	`H836D5 Φ47Φ358_GCr15_碗座轴承`

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Lower stopper — `2042800003`

OKAI Lower stopper (2042800003)

Field	Value
Callout on diagram (ES400A)	6
Callout on diagram (ES400B)	7
Qty per scooter	1
Fits	ES400A / ES400B
OKAI spec	`Φ46_Φ33_6_H836D5_6061_黑色`

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Gasket — `2040500050`

OKAI Gasket (2040500050)

Field	Value
Callout on diagram (ES400A)	7
Callout on diagram (ES400B)	8
Qty per scooter	2
Fits	ES400A / ES400B
OKAI spec	`A3_Φ5.2_Φ10_1_电泳黑`

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Front fender — `2020900042`

OKAI Front fender (2020900042)

Field	Value
Callout on diagram (ES400A)	9
Qty per scooter	1
Fits	ES400A
OKAI spec	`86.5_89_54_PA（UL）_黑色`

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Front fork right cover — `2021000078`

OKAI Front fork right cover (2021000078)

Field	Value
Callout on diagram (ES400A)	11
Qty per scooter	1
Fits	ES400A
OKAI spec	`φ93.4_φ93.4_35.4_PC+ABS（UL）_黑色`

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Front wheel set — `2031900106`

OKAI Front wheel set (2031900106)

Field	Value
Callout on diagram (ES400A)	13
Callout on diagram (ES400B)	14
Qty per scooter	1
Fits	ES400A / ES400B
OKAI spec	`ES600_12寸_免充气轮胎_鼓刹_109.5_一体_铝合金+橡胶_黑色_江昕_改善款`

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Waterproof pad — `2020800007`

OKAI Waterproof pad (2020800007)

Field	Value
Callout on diagram (ES400A)	14
Callout on diagram (ES400B)	15
Qty per scooter	1
Fits	ES400A / ES400B
OKAI spec	`φ52_Φ65_7.0_PA`

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Front fork retaining sleeve — `2031700024`

OKAI Front fork retaining sleeve (2031700024)

Field	Value
Callout on diagram (ES400A)	15
Callout on diagram (ES400B)	16
Qty per scooter	1
Fits	ES400A / ES400B
OKAI spec	`ES200D_51.8_51.8_90_AL6061-T6_震光`

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Gasket — `2040500041`

OKAI Gasket (2040500041)

Field	Value
Callout on diagram (ES400A)	16
Callout on diagram (ES400B)	18
Qty per scooter	1
Fits	ES400A / ES400B
OKAI spec	`ST_φ32.2_φ40_2_镀锌`

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Gasket — `2040500048`

OKAI Gasket (2040500048)

Field	Value
Callout on diagram (ES400A)	17
Callout on diagram (ES400B)	17
Qty per scooter	1
Fits	ES400A / ES400B
OKAI spec	`ST_φ32.2_φ39.8_2_镀锌`

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Front fork set — `2031800100`

OKAI Front fork set (2031800100)

Field	Value
Callout on diagram (ES400A)	18
Callout on diagram (ES400B)	19
Qty per scooter	1
Fits	ES400A / ES400B
OKAI spec	`ES400_167.4_60.2_498.8_12寸_AL+STL_黑+亮银（改善加强）`

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Gasket — `2040500051`

OKAI Gasket (2040500051)

Field	Value
Callout on diagram (ES400A)	19
Qty per scooter	2
Fits	ES400A
OKAI spec	`SPCC_5.1_11.1_1.5_电泳黑`

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Rear of front fender — `2020900088`

OKAI Rear of front fender (2020900088)

Field	Value
Callout on diagram (ES400A)	20
Qty per scooter	1
Fits	ES400A
OKAI spec	`ES400D_142.8_94.6_115_PA（UL）_黑色`

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Front fork left cover — `2021000079`

OKAI Front fork left cover (2021000079)

Field	Value
Callout on diagram (ES400A)	21
Qty per scooter	1
Fits	ES400A
OKAI spec	`202.493.435.4UL_93.4_35.4_PC+ABS（UL）_黑色`

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Hub brake assembly — `2032500058`

OKAI Hub brake assembly (2032500058)

Field	Value
Callout on diagram (ES400A)	23
Callout on diagram (ES400B)	24
Qty per scooter	1
Fits	ES400A / ES400B
OKAI spec	`YGZ080HT_Φ98.0_35.7_ADC12_黑色`

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Spacer — `2041000173`

OKAI Spacer (2041000173)

Field	Value
Callout on diagram (ES400A)	24
Callout on diagram (ES400B)	23
Qty per scooter	1
Fits	ES400A / ES400B
OKAI spec	`20#_15_20_19_镀镍`

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Brake cable core — `2040900041`

OKAI Brake cable core (2040900041)

Field	Value
Callout on diagram (ES400A)	25
Callout on diagram (ES400B)	25
Qty per scooter	1
Net weight	12 g
Fits	ES400A / ES400B
OKAI spec	`62A_φ1.5_1330_镀锌`

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Brake line skin — `2040900049`

OKAI Brake line skin (2040900049)

Field	Value
Callout on diagram (ES400A)	26
Callout on diagram (ES400B)	26
Qty per scooter	1
Net weight	51 g
Fits	ES400A / ES400B
OKAI spec	`PVC_φ5_500_黑色`

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Iron bowl seat — `2042600002`

OKAI Iron bowl seat (2042600002)

Field	Value
Callout on diagram (ES400B)	6
Qty per scooter	2
Net weight	34 g
Fits	ES400B
OKAI spec	`Φ50_Φ47.1_11.5_H836D9_20#_CP+封闭`

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Front fender — `2020900039`

OKAI Front fender (2020900039)

Field	Value
Callout on diagram (ES400B)	10
Qty per scooter	1
Net weight	92 g
Fits	ES400B
OKAI spec	`86.5_89_54_PA_黑色`

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Front fork right cover — `2021000073`

OKAI Front fork right cover (2021000073)

Field	Value
Callout on diagram (ES400B)	12
Qty per scooter	1
Net weight	48 g
Fits	ES400B
OKAI spec	`φ93.4_φ93.4_35.4_PC+ABS_黑色`

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Rear of front fender — `2020900066`

OKAI Rear of front fender (2020900066)

Field	Value
Callout on diagram (ES400B)	20
Qty per scooter	1
Fits	ES400B
OKAI spec	`142.8_94.6_115_PA_黑色`

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Front fork left cover — `2021000072`

OKAI Front fork left cover (2021000072)

Field	Value
Callout on diagram (ES400B)	21
Qty per scooter	1
Net weight	82 g
Fits	ES400B
OKAI spec	`202.4_93.4_35.4_PC+ABS_黑色`

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