Handlebars and Controls

For handlebar mountings and clamps click here. For cables click here.

1″ diameter handlebars were used up to 1946 but from 1939 some models used a handlebar with a 1″ diameter centre section reduced to 7/8″ diameter for the rest. All telescopic fork models have 7/8″ diameter handlebars.

Handlebars and Levers

The controls that are available are sold as suitable replacements and not as exact copies of the originals, however most are close and all will do the job. The application list below gives the part number(s) for the best available suitable replacements, for details see listing below. For total accuracy the owner’s guide, parts books and period catalogues should be referred to. For notes on the 1956-58 levers, see section 37. The 6400-39 handlebar was 1″ diameter in the centre to fit the existing bracket but tapered to 7/8″, we have not been able to get these made.

Model

Diameter

Years

Handlebar

Left hand lever assembly

Right hand lever assembly

Exhaust

Sing 1″ 1934-46 6400-34 107CLH1 + 100LH1 107CRH1
Sing 7/8 1939-46 6400-39 108LH + 100LH7/8 108RH
Sing 7/8 1947-54 6400-46 108LH + 100LH7/8 108RH
Sing 7/8 1955 6400-55 108LH + 100LH7/8 108RH
Sing 7/8 1956-58 6400-55 6417-56 6416-56 105/7
KH 7/8 1948-54 6400-46 107LH7/8 107RH7/8
KH 7/8 1955 6400-55 107LH7/8 107RH7/8
KH 7/8 1956-57 6400-56 6415-56 6419-56
FH 7/8 1954 6400-46 107LH7/8 107RH7/8
FH 7/8 1955 6400-55 107LH7/8 107RH7/8
FH 7/8 1956-58 6400-56 6415-56 6419-56
SQ 4 1″ 1937-48 6400-34 107CLH1 107RH1
SQ 4 7/8 1939-48 6400-39 108LH 108RH
SQ 4 7/8 1949-54 6400-46 107LH7/8 107RH7/8
SQ 4 7/8 1955 6400-55 107LH7/8 107RH7/8
SQ 4 7/8 1956-58 6400-56 6415-56 6419-56

N.B. The KH used a rod operated choke assembly mounted on the carburetter, as did the 1954-55 FH.

1″ Levers (With Ariel part number where the function is identical). For applications, see table above.

Part No.

Description

100LH1 Magneto or exhaust lever, LH 1″ (6412-31)
100RH1 Air lever 1″, RH
105/1 Exhaust lifter, trigger type 1″, not normally used on Ariels
107CLH1 Clutch and magneto lever combined 1″ (6414-34)
107CRH1 Brake and air lever combined 1″ (6416-34)
107LH1 Clutch lever 1″ (not combination)
107RH1 Brake lever (not combination) 1″ (6416-38)
12/569LH1 Magneto or exhaust lever, long arm, 1″ LH
12/569RH1 Air lever 1″, long arm, RH

7/8 Levers (With Ariel part number where the function is identical). For applications, see table above.

Part No.

Description

100LH7/8 Magneto or exhaust lever, LH
100RH7/8 Air lever, RH
105/7 Exhaust lever, trigger type (6418-56)
107LH7/8 Clutch lever, pattern (not combination) (6415-48)
107LH7/8D Clutch lever, best quality using stainless screws, good quality lever blade and pivot screw (not combination) (6415-48)
107RH7/8 Brake lever, pattern (not combination) (6421-39)
107RH7/8D Brake lever, best quality using stainless screws, good quality lever blade and pivot screw (not combination) (6421-39)
108LH Clutch and magneto lever combined (6414-39)
108RH Brake and air lever combined (6416-39)
12/569LH Advance/retard lever, long arm, LH
12/569RH Advance/retard lever, long arm, RH
6415-56 Clutch lever for 1/4″ adjuster
6416-56 Brake and air lever for 1/4″ adjuster
6417-56 Clutch and magneto lever for 1/4″ adjuster
6419-56 Brake lever for 1/4″ adjuster

Other bits

01-4606 Screw in handlebar to prevent rotation, 2BA 1 1934-42
10/2 Pivot screw for lever (6416C-38)
10/2Q Pivot screw for lever, stainless (6416C-38)
11/015/33 Handlebar groups, 5 3/4″ long for Amal helical twist grips All 1929-39
61 Twist grip assembly without grips 1″ All 1933-46
71 Twist grip assembly without grips (6430-39) All 1939-58
71P Throttle control / Twist grip, 7/8, – pattern type – silver
17/327 Throttle control / Twist grip, 7/8, – pattern type – black
207LH7/8 Ball end lever, clutch
207RH7/8 Ball end lever, brake
1070LH Lever blade only, LH pressed type
1070RH Lever blade only, RH pressed type
2070LH Lever blade only, ball end, LH
2070RH Lever blade only, ball end, RH
4833-27 Half clamp for handlebar to yoke, bracket or bracket to yoke 2 1927-46
6400-34 Handlebar bend, correct shape not W/NG 1934-46
6400-46 Handlebar bend, correct shape Tele 1946-54
6400-55 Handlebar bend, correct shape Tele 1955-58
6415F-34 Handlebar lever clamp screw, long 1934-45
6415G-34 Handlebar lever clamp screw, screw 1934-45
6415S-34 Spring steel washer for air or magneto lever
6425-7/8 7/8″ Handlebar grip LH, period hatched pattern 1939-58
6425-1 1″ Handlebar grip, RH on 7/8″ bar ot LH on 1″ ‘bar, period hatched pattern 1934-58
6425-11/8 1″ Handlebar group, RH period hatched pattern (not suitable for helix twist grips) 1934-46
6425-99 Handlebar grips with Ariel logo, 7/8″ ‘bars, not original 1946-58
6430F-39 Twist grip clamp screw (2 per), SS, 1BA for old assemblies. Modern ones are 5mm Some
6433-56 Signet ring for 31563A switch All 1956-58
6434-55 Bracket for cut-out switch KH/FH 1955-58
SP1/4 Nyloc nut for lever pivot screw
Z/14 Inverted lever assembly, pre 1926 pattern 1900-32
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