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OKAI ES400 Handlebar Set — Parts & Exploded View

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

Levy Fleets TeamMay 28, 202610 min read

OKAI ES400 Handlebar Set — Parts & Exploded View

Exploded view and every orderable (non-fastener) part in the Handle Bar 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 Handlebar Set exploded diagram

ES400B

OKAI ES400B Handlebar Set exploded diagram

Parts (42)

Right grip — `2020500010`

OKAI Right grip (2020500010)

Field	Value
Callout on diagram (ES400A)	1
Qty per scooter	1
Net weight	107 g
Fits	ES400A
OKAI spec	`ES05B_Φ21.6_Φ37.5_118_PVC_黑色`

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Handlebar pipe plug cover — `2020100032`

OKAI Handlebar pipe plug cover (2020100032)

Field	Value
Callout on diagram (ES400A)	2
Qty per scooter	2
Net weight	7 g
Fits	ES400A
OKAI spec	`_14_φ22.2_PA_黑色_黑色_（配凹槽管）`

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Finger knob — `2010800080`

OKAI Finger knob (2010800080)

Field	Value
Callout on diagram (ES400A)	3
Qty per scooter	1
Net weight	33.5 g
Fits	ES400A
OKAI spec	`防水头_带丝印标_60`

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Hall brake right — `2010900049`

OKAI Hall brake right (2010900049)

Field	Value
Callout on diagram (ES400A)	4
Qty per scooter	1
Net weight	150 g
Fits	ES400A
OKAI spec	`飞机头_188PHD（UL）_UL认证`

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Handlebar pipe — `2030900034`

OKAI Handlebar pipe (2030900034)

Field	Value
Callout on diagram (ES400A)	5
Qty per scooter	1
Net weight	269 g
Fits	ES400A
OKAI spec	`ES200D_φ22_486_AL6061-T6_电泳黑`

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Handlebar upper cover — `2021000104`

OKAI Handlebar upper cover (2021000104)

Field	Value
Callout on diagram (ES400A)	6
Qty per scooter	1
Net weight	52.5 g
Fits	ES400A
OKAI spec	`17666.747_66.7_47_PC+ABS（UL）_黑色`

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QR code — `3040200146`

OKAI QR code (3040200146)

Field	Value
Callout on diagram (ES400A)	8
Qty per scooter	1
Fits	ES400A
OKAI spec	`30_30_1.2_EB200C_OKAI_PC_白底黑字`

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Protective cover — `2020200026`

OKAI Protective cover (2020200026)

Field	Value
Callout on diagram (ES400A)	9
Qty per scooter	1
Net weight	13 g
Fits	ES400A
OKAI spec	`34_8_1.5_19_黑色_白色`

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Handlebar lock cover — `2030800002`

OKAI Handlebar lock cover (2030800002)

Field	Value
Callout on diagram (ES400A)	10
Callout on diagram (ES400B)	22
Qty per scooter	1
Net weight	41 g
Fits	ES400A / ES400B
OKAI spec	`ES100B_48.3_43_23.8_6061-T6_阳极黑色`

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Brake line skin — `2040900051`

OKAI Brake line skin (2040900051)

Field	Value
Callout on diagram (ES400A)	11
Callout on diagram (ES400B)	33
Qty per scooter	2
Net weight	51 g
Fits	ES400A / ES400B
OKAI spec	`PVC_φ5_700_黑色`

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Hall brake left — `2010900038`

OKAI Hall brake left (2010900038)

Field	Value
Callout on diagram (ES400A)	12
Qty per scooter	1
Net weight	148 g
Fits	ES400A
OKAI spec	`飞机头_188PHD_60`

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Car bell — `2031300005`

OKAI Car bell (2031300005)

Field	Value
Callout on diagram (ES400A)	13
Qty per scooter	1
Net weight	48 g
Fits	ES400A
OKAI spec	`SX-508_塑胶+铝_黑色`

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Left grip — `2020500012`

OKAI Left grip (2020500012)

Field	Value
Callout on diagram (ES400A)	14
Qty per scooter	1
Net weight	99 g
Fits	ES400A
OKAI spec	`ES90_Φ21_Φ41_99_PVC_黑色`

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Instrument screen — `2020600001`

OKAI Instrument screen (2020600001)

Field	Value
Callout on diagram (ES400A)	15
Qty per scooter	1
Net weight	7 g
Fits	ES400A
OKAI spec	`57.6_56.5_3.4_PC（UL）_半透明`

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Meter — `2010600151`

OKAI Meter (2010600151)

Field	Value
Callout on diagram (ES400A)	17
Qty per scooter	1
Fits	ES400A
OKAI spec	`ES400_48V_CAN__公/英里_共享_UL_带状态灯及无线充`

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Waterproof pad — `2020800002`

OKAI Waterproof pad (2020800002)

Field	Value
Callout on diagram (ES400A)	18
Callout on diagram (ES400B)	17
Qty per scooter	1
Net weight	0.4 g
Fits	ES400A / ES400B
OKAI spec	`35_38.5_0.8_硅胶`

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Protective cover — `2020100046`

OKAI Protective cover (2020100046)

Field	Value
Callout on diagram (ES400A)	19
Callout on diagram (ES400B)	28
Qty per scooter	1
Net weight	7 g
Fits	ES400A / ES400B
OKAI spec	`14_11.8_15.1_19_黑色_白色`

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Handlebar head — `2030700010`

OKAI Handlebar head (2030700010)

Field	Value
Callout on diagram (ES400A)	20
Qty per scooter	1
Net weight	436 g
Fits	ES400A
OKAI spec	`56.5_70.8_178.4_ES400_A356-T5_黑色`

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Handlebar head wiring harness bracket — `2031400014`

OKAI Handlebar head wiring harness bracket (2031400014)

Field	Value
Callout on diagram (ES400A)	22
Callout on diagram (ES400B)	19
Qty per scooter	1
Net weight	43 g
Fits	ES400A / ES400B
OKAI spec	`75_34_2_Q235_镀锌`

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Handlebar under cover — `2021000103`

OKAI Handlebar under cover (2021000103)

Field	Value
Callout on diagram (ES400A)	23
Qty per scooter	1
Net weight	42 g
Fits	ES400A
OKAI spec	`176_66.7_31_PC+ABS（UL）_黑色`

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Fixed seat — `2020700115`

OKAI Fixed seat (2020700115)

Field	Value
Callout on diagram (ES400A)	26
Qty per scooter	1
Net weight	28 g
Fits	ES400A
OKAI spec	`_ES400D_67_47_60_PC+ABS（UL）_黑色`

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Headlight — `2011000090`

OKAI Headlight (2011000090)

Field	Value
Callout on diagram (ES400A)	27
Qty per scooter	1
Fits	ES400A
OKAI spec	`_带反射片_12V_100_UL`

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Cap nut — `2040200028`

OKAI Cap nut (2040200028)

Field	Value
Callout on diagram (ES400A)	28
Callout on diagram (ES400B)	26
Qty per scooter	1
Net weight	1.2 g
Fits	ES400A / ES400B
OKAI spec	`M4_P0.7_7.9_SUS304_本色`

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Gasket — `2022100022`

OKAI Gasket (2022100022)

Field	Value
Callout on diagram (ES400A)	31
Callout on diagram (ES400B)	11
Qty per scooter	2
Net weight	2 g
Fits	ES400A / ES400B
OKAI spec	`Ø22.5_Ø35_3T_PC+ABS_黑色`

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Front turn signal left — `2011000155`

OKAI Front turn signal left (2011000155)

Field	Value
Callout on diagram (ES400B)	1
Qty per scooter	1
Net weight	24 g
Fits	ES400B
OKAI spec	`OEM-227-OK—1_带反射片_12V_35mm`

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Grip — `2020500059`

OKAI Grip (2020500059)

Field	Value
Callout on diagram (ES400B)	2
Qty per scooter	2
Net weight	61 g
Fits	ES400B
OKAI spec	`21.6_37.5_92_TPE_黑色`

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Finger knob — `2010800084`

OKAI Finger knob (2010800084)

Field	Value
Callout on diagram (ES400B)	3
Qty per scooter	1
Net weight	34 g
Fits	ES400B
OKAI spec	`飞机头_60`

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Hall brake right — `2010900037`

OKAI Hall brake right (2010900037)

Field	Value
Callout on diagram (ES400B)	4
Qty per scooter	1
Net weight	148 g
Fits	ES400B
OKAI spec	`飞机头_188PHD_60`

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Handlebar pipe — `2030900059`

OKAI Handlebar pipe (2030900059)

Field	Value
Callout on diagram (ES400B)	5
Qty per scooter	1
Net weight	257 g
Fits	ES400B
OKAI spec	`ES400B_16_22_486_C形_AL6061-T6_电泳黑色`

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Instrument screen — `2020600003`

OKAI Instrument screen (2020600003)

Field	Value
Callout on diagram (ES400B)	6
Qty per scooter	1
Net weight	8 g
Fits	ES400B
OKAI spec	`57.6_56.5_3.4_PC_半透明`

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Handlebar upper cover — `2021000064`

OKAI Handlebar upper cover (2021000064)

Field	Value
Callout on diagram (ES400B)	7
Qty per scooter	1
Net weight	53 g
Fits	ES400B
OKAI spec	`176_66.7_47_PC+ABS_黑色`

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QR code — `3040200102`

OKAI QR code (3040200102)

Field	Value
Callout on diagram (ES400B)	8
Qty per scooter	1
Net weight	2 g
Fits	ES400B
OKAI spec	`30_30_1.2_ES400_校园共享_PC_白底黑字`

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Bell brake handle (left) — `2010900050`

OKAI Bell brake handle (left) (2010900050)

Field	Value
Callout on diagram (ES400B)	10
Qty per scooter	1
Net weight	150 g
Fits	ES400B
OKAI spec	`飞机头_188PHD（带铃铛）_带铃铛`

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Steering switch — `2011400060`

OKAI Steering switch (2011400060)

Field	Value
Callout on diagram (ES400B)	12
Qty per scooter	1
Fits	ES400B
OKAI spec	`ES400B_KN-034C_防水头_370`

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Front turn signal right — `2011000156`

OKAI Front turn signal right (2011000156)

Field	Value
Callout on diagram (ES400B)	13
Qty per scooter	1
Net weight	24 g
Fits	ES400B
OKAI spec	`OEM-227-OK—1_带反射片_12V_35mm`

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Meter — `2010600027`

OKAI Meter (2010600027)

Field	Value
Callout on diagram (ES400B)	15
Qty per scooter	1
Net weight	72 g
Fits	ES400B
OKAI spec	`材质：塑胶+电子元件表面处理：黑色+透明`

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Handlebar head — `2030700020`

OKAI Handlebar head (2030700020)

Field	Value
Callout on diagram (ES400B)	16
Qty per scooter	1
Net weight	446 g
Fits	ES400B
OKAI spec	`_∅56.5_70.8_178.4_ES400系列带转向灯_A356-T5_黑色`

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Protective cover — `2020200040`

OKAI Protective cover (2020200040)

Field	Value
Callout on diagram (ES400B)	20
Qty per scooter	1
Net weight	2 g
Fits	ES400B
OKAI spec	`40_11.5_15.8_19_黑色_黑色`

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Fixed seat — `2020700043`

OKAI Fixed seat (2020700043)

Field	Value
Callout on diagram (ES400B)	25
Qty per scooter	1
Net weight	28 g
Fits	ES400B
OKAI spec	`67_47_60_PC+ABS_黑色`

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Headlight — `2011000076`

OKAI Headlight (2011000076)

Field	Value
Callout on diagram (ES400B)	27
Qty per scooter	1
Net weight	23 g
Fits	ES400B
OKAI spec	`_带反射片_12V_100_非UL`

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Handlebar under cover — `2021000065`

OKAI Handlebar under cover (2021000065)

Field	Value
Callout on diagram (ES400B)	30
Qty per scooter	1
Net weight	42 g
Fits	ES400B
OKAI spec	`176_66.7_31_PC+ABS_黑色`

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Adapter cable — `2011300117`

OKAI Adapter cable (2011300117)

Field	Value
Callout on diagram (ES400B)	35
Qty per scooter	1
Net weight	11 g
Fits	ES400B
OKAI spec	`_320_飞机头_前转向灯_非UL_PVC`

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