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Rings

Extensive range of new moped piston rings from Achilles to Zweirad-Union.  Typically only £8 a pair.  There's a list of them all below.

Selection of BL section Dykes rings, several sizes.
Cyclemaster/Berini M13 26cc ring sets £8.
Cyclemaster Std 32cc rings, 36 × 2mm, B-slot, £15 pair
NSU Quickly rings, 40mm × 2mm, A-slot, £8 pair.

Cylinders

Moby cylinder set

Mobylette AV10 NEW cylinder/piston set for reed-valve models—£60.
Comprises NEW 39mm, 49.9cc cylinder and piston set with rings, G-pin, circlips and head gasket.  Suit 51V models, etc.

Pistons

Benelli pistons

Anker–Laura M-48 first oversize 40.25mm piston sets—£30 each.
Batavus GoGo, Pronto, Prius, Bronco, HS50, etc; BSA Ariel-3; SIM50; Ankermatic; etc.  New piston sized 40.25mm (first oversize), pair rings, gudgeon pin, circlips.
Note: first oversize only.  No other sizes currently available.  (Standard size is 40mm.)

HMW pistons

HMW 49cc piston sets.
Piston sets c/w 2.5mm B-slot rings, 10mm G-pin + circlips.  Piston total height 61mm.
38.00mm (Standard)—No Stock
38.25mm—£30.
38.50mm—£30.
38.75mm—No Stock
39.00mm—No Stock
39.25mm—No Stock
39.50mm—No Stock
39.75mm—£30.
40.00mm—£30.

Minarelli pistons

Genuine Minarelli Piston sets.  All c/w 12mm g/pin and circlips.  Sizes available:
40.00mm ‘Standard’ piston set with 2 × 1.5mm C-slot rings.  New—£30.
40.20mm ‘Standard’ piston set with 2 × 1.5mm C-slot rings.  New—£30.
40.40mm ‘Standard’ piston set with 2 × 1.5mm C-slot rings.  New—£30.
40.60mm ‘Standard’ piston set with 2 × 1.5mm C-slot rings.  New—£30

Mondial pistons

Mondial 49cc new piston sets—£40.
Piston with 39×2mm BL-slot (Dykes) top ring, 39×2mm C-slot 2nd ring, 12mm G-pin + circlips.  Piston total height 51mm.  No ports in skirt.
Precision sizes available:
38.99mm
39.00mm
39.01mm
39.02mm

Parilla pistons

Parilla Parillino 49cc piston sets—£40
Piston with 38×2.5mm C-slot rings, 12mm G-pin + circlips.  Piston total height 55mm.  Original Italian Asso ref:1754.
Std 38mm—£40.

No picture

Peugeot 49cc new piston sets—£25.
Piston sets c/w 2.5mm B-slot rings, 12mm G-pin + circlips.  Piston total height 49mm.
Sizes available:
40mm (Standard).

No picture

Puch Maxi/MS/Tomos, 10mm G/pin—£18 each.
38mm std.
38.25mm 1st O/S.
38.50mm 2nd O/S.
39mm 4th O/S.
Puch Maxi/MS, 12mm G/pin—£18 each.
38mm std.
38.25mm 1st O/S.
38.50mm 2nd O/S.
38.75mm 3rd O/S.
39mm 4th O/S.

Rex pistons

Rex single-speed FM50 piston sets (std size 40.50mm):
Bretille piston (total height 44mm), rings 2.5mm C-slot, 10mm G-pin, circlips.  40.75mm (1st O/S)—£30.
Nural-Kolben piston (total height 44mm), rings 2.5mm C-slot, 10mm G-pin, circlips.  40.75mm (1st O/S)—£30.
Mahle piston (total height 44mm), rings 2.5mm C-slot, 10mm G-pin, circlips.  41.00mm (2nd O/S)—£30. Nural-Kolben piston (total height 44mm), rings 2.5mm C-slot, 10mm G-pin, circlips.  41.25mm (3rd O/S)—£30.
Asso 1017 piston (total height 44mm), rings 2.5mm C-slot, 10mm G-pin, circlips.  41.50mm (4th O/S)—£30.

Rex pistons

Rex 2-speed/3-speed piston sets (std size 40.00mm):
Kolbenschmit piston (total height 47mm), rings 2.5mm C-slot, 12mm G-pin, cirlips. 40.25mm (1st O/S)—£20.
Mahle piston (total height 47mm), rings 2.5mm C-slot, 12mm G-pin, cirlips. 40.25mm (1st O/S)—£20.
Vertex piston (total height 47mm), rings 2.5mm C-slot, 12mm G-pin, cirlips. 40.25mm (1st O/S)—£20.
Kolbenschmit piston (total height 47mm), rings 2.5mm C-slot, 12mm G-pin, cirlips. 41.00mm (4th O/S)—£20.
Kolbenschmit piston (total height 47mm), rings 2.5mm C-slot, 12mm G-pin, cirlips. 41.25mm (5th O/S)—£20.
Vertex piston (total height 47mm), rings 2.5mm C-slot, 12mm G-pin, cirlips. 41.25mm (5th O/S)—£20.
Kolbenschmit piston (total height 47mm), rings 2.5mm C-slot, 12mm G-pin, cirlips. 41.50mm (6th O/S)—£20.
Vertex piston (total height 47mm), rings 2.5mm C-slot, 12mm G-pin, cirlips. 41.50mm (6th O/S)—£20.

No picture

Sachs & Rex piston sets inc. full range of oversizes—£20.

No picture

Suzuki M12/M15 Sportsman/M15D Sovereign/M30 piston sets in 3rd O/S 41.75mm—£30.

Victoria pistons

Victoria piston sets:
Vertex piston for M50/M51 (total height 46mm), rings 2mm C-slot, 12mm G-pin, circlips. 38.75mm diameter (3rd O/S)—£30.
Vertex piston for M50/M51 (total height 46mm), rings 2mm C-slot, 12mm G-pin, circlips. 39.00mm diameter (4th O/S)—£30.
Kolbenschmidt piston for M50/M51 (total height 46mm), rings 2mm C-slot, 12mm G-pin, circlips. 39.00mm diameter (4th O/S)—£30.
Mahle RO31 40L30-1 piston (total height 53.5mm, rings 2mm C-slot, 12mm G-pin, circlips.  40.25mm diameter (1st O/S)—£30.

Villiers Junior (Deflector-top, up to 1939) 50mm std bore.  NEW/old stock genuine Heplex 8158 piston sets (piston/rings/g-pin/circlips).
50mm Std—£50.
+0.020"—£50.
+0.060"—£50.
Villiers Junior De Luxe (Flat-top, 1939-1949) 50mm std bore.  NEW/old stock genuine Heplex 8575 piston sets (piston/rings/g-pin/circlips).
+0.010"—£50.
+0.020"—£50.
Villiers VIII-D (8D) 122cc 1937.  50mm std bore.  NEW/old stock genuine Heplex 5890 piston sets (piston/rings/g-pin/circlips).  Piston height 2½".
+0.030"—£50.
+0.040"—£50.

Yamaha FS1E piston sets (Std), £20.

Gudgeon Pin Internal Circlips

circlips

10mm × 1mm 'single-leg' wire circlips for 9mm gudgeon pin, suit Cyclemaster, etc—£1.80p pair.

circlips

12mm × 1mm 'open-C' wire circlips for 11mm gudgeon pin—£1.80p pair.

circlips

12mm × 1mm 'single-leg' wire circlips for 11mm gudgeon pin—£2 pair.

circlips

12mm × 1mm 'double-leg' wire circlips for 11mm gudgeon pin—£2 pair.

circlips

13mm × 1mm 'Eye' type plier circlips for 12mm gudgeon pin—£2 pair.

circlips

15mm × 1mm 'double-leg' circlips for 14mm gudgeon pin, Raleigh RM1, RM2, Trojan Mini-Motor, etc—£2 pair.

circlips

16mm × 1mm 'double-leg' circlips for 14mm gudgeon pin—£2 pair.

Small Ends

Small end bearing

Small-end bearing 13.I/16.O/14.L; Motobécane/Mobylette, etc—£8 each.

Small end bearing

Small-end bearing 12.I/15.O/14.L; NVT Easy Rider/Morini Franco motor—£8 each.

Small end bearing

VAP small-end needle bearing set—£8 for 20 (normally 19 per set).
2mm diameter × 9.8mm long, round ends.
May also fit Lavalette motors; we haven’t checked that yet.

Ring spec/stock listing

Diagram of slot types
Picture of BL (Dykes) ring

Diameter
(mm)
Section
(mm)
Slot Application Availability
28 × 2 C Lohmann cyclemotor
28 × 2 D (square cut)   Yes
32 × 2 A 26cc Cyclemaster & Berini M13 (Std) Yes
32 × 2 B 26cc Cyclemaster & Berini M13 (Std) Yes
32.5 × 2 B 26cc Cyclemaster & Berini M13 (2nd O/S) Yes
33 × 2 B   Yes
34 × 1.5 C Jlo Mini Yes
35 × 2.5 A Eland Victoria FM38 (Std) Out of stock
35 × 2.5 B Cyclaid (Rex)
35 × 2.5 C Mosquito 38.5cc Yes
35 × 2.5 D   Yes
36 × 1.6 B BSA Winged Wheel
36 × 2 A Berini M19 Cyclestar Yes
36 × 2 B 32cc Cyclemaster Yes
36.25 × 2 A Berini M19 Cyclestar 1st O/S Out of stock
36.5 × 2 B 32cc Cyclemaster/ Berini 2nd O/S Out of stock
36.75 × 2 B 32cc Cyclemaster/ Berini 3rd O/S Yes
37 × 2 B 32cc Cyclemaster/ Berini 4th O/S Yes
37 × 2 C Eysink Renata, Jlo FM48 Cyclemotor Out of stock
37 × 2.5 D (square cut) Eysink Renata, Jlo FM48 Cyclemotor Yes
37.5 × 2 B   Yes
38 × 1 B Vertex Jlo G50 Sport / Puch VS50 Sport Yes
38 × 1.5 B   Out of stock
38 × 1.5 C   Yes
38 × 2 B Trojan Mini-Motor, Raleigh Sturmey-Archer, Simson/MZ50 Yes
38 × 2 BL (Dykes) Vertex Jlo G50 Sport, Puch VS50 Sport Yes
38 × 2 C Sachs, Puch Yes
38 × 2.5 B HMW ET 1-50N Yes
38 × 2.5 C Minarelli, Kerry Capitano, Vincent Firefly, Gloria Cyclemotor (3-ring set) Yes
38 × 2.5 D (square) Solex 45 (Old) Out of stock
38 × 2.5 D (angled) Solex 45 (Old) Yes
38.2 × 1.5 C   Yes
38.25 × 2 B Trojan Mini-Motor, Raleigh Sturmey-Archer (1st O/S) Out of stock
38.25 × 2 BL (Dykes) Vertex Jlo G50 Sport, Puch VS50 Sport (1st O/S) Yes
38.25 × 2 C Minarelli, Kerry Capitano Yes
38.25 × 2.5 C   Yes
38.25 × 2.5 D (square) Solex 45 (Old) (1st O/S) Yes
38.25 × 2.5 D (angled) Solex 45 (Old) (1st O/S) Yes
38.3 × 2 C Sachs (1st O/S) Yes
38.4 × 1.5 C   Yes
38.5 × 1 B   Out of stock
38.5 × 2 B Trojan Mini-Motor, Raleigh Sturmey-Archer (2nd O/S) Yes
38.5 × 2 C Puch 1961 → Tomos, Moto-Guzzi Dingo 50 Yes
38.5 × 2.5 B HMW Yes
38.5 × 2 BL (Dykes) Vertex Jlo G50 Sport, Puch VS50 Sport (2nd O/S) Yes
38.5 × 2.5 C Jlo FP50/G50, Mercury Hermes, Puch MS50, Tomos, Bianchi, Alpino TPS48DF, Vicky III, IV Yes
38.5 × 2.5 D (square cut) Solex 45 (Old) (2nd O/S) Out of stock
38.5 × 2.5 D (angled) Solex 45 (Old) (2nd O/S) Yes
38.5 × 3 C Alpino Yes
38.6 × 1.5 B   Yes
38.6 × 2 C Sachs (2nd O/S) Out of stock
38.75 × 1.5 C   Out of stock
38.75 × 2 B Trojan Mini-Motor, Raleigh Sturmey-Archer (3rd O/S) Out of stock
38.75 × 2 C   Out of Stock
38.75 × 2.5 B   Yes
38.75 × 2.5 C Jlo, Rex, Zündapp Yes
38.75 × 2.5 D (angled) Solex 45 (Old) (3rd O/S) Out of stock
38.75 × 3 C   Yes
38.8 × 1.5 C Minarelli V1 etc. (Std size) Yes
38.9 × 2 C Sachs (3rd O/S) Yes
39 × 1 B Vertex Sport Yes
39 × 1.2 C   Yes
39 × 1.5 B (without expander ring)   Yes
39 × 1.5 B (with expander ring)   Yes
39 × 1.5 C Sachs Yes
39 × 2 B Mobylette, some later M-series piston types Yes
39 × 2 BL (Dykes) Zündapp Sport Yes
39 × 2 C Mobylette, Power Pak, Puch, Tomos, Itom Tourist cyclemotor (3 per set) Yes
39 × 2.5 B Royal Nord Yes
39 × 2.5 C Zündapp KM50, Mobylette v.a. 1956 Yes
39 × 3 C Mobylette pre-1955 Yes
39 × 3 D (square) Mobylette (Old) Out of stock
39 × 3 D (angled) Mobylette (Old) Yes
39.2 × 1.5 C Minarelli Yes
39.2 × 2 B   Yes
39.2 × 2 BL Dykes Minarelli Yes
39.25 × 2 BL (Dykes) Zündapp Sport (1st oversize) Yes
39.25 × 2.5 B   Yes
39.25 × 2.5 C   Yes
39.25 × 2.5 D (angled) Solex 45 (Old) (5th O/S) Yes
39.25 × 3 C   Yes
39.4 × 1.5 C Minarelli Yes
39.4 × 2 BL Dykes Minarelli Yes
39.5 × 1.75 D (angled)   Yes
39.5 × 2 C Puch, Tomos, F B Mondial Yes
39.5 × 2.5 B Avaros Yes
39.5 × 2.5 C Zündapp Combinette, Cavaletta, Mobylette v.a. Yes
39.5 × 2.5 D (square) Solex 50 (New) (Std) Yes
39.5 × 2.5 D (angled) Solex 50 (New) (Std) Yes
39.5 × 3 C   Yes
39.5 × 3 D (angled) BFC cyclemotor (Std) Yes
39.6 × 1.5 C Minarelli Yes
39.6 × 2 BL Dykes Minarelli Yes
39.75 × 1.5 B   Out of stock
39.75 × 1.5 C   Out of stock
39.75 × 2 C   Yes
39.75 × 2.5 B   Yes
39.75 × 2.5 C   Yes
39.75 × 2.5 D (angled) Solex 50 (New) 1st O/S Yes
39.75 × 3 C   Yes
39.8 × 1.5 C Minarelli Yes
39.8 × 2 BL Dykes Minarelli Out of stock
40 × 1 B Kreidler Vertex Sport Yes
40 × 1.2 A Teagle cyclemotor (slot gap 0.95mm)
(Although nominally the same, Teagle and GYS rings are not identical.)
Out of stock
40 × 1.2 A GYS (Milemaster Ref:M.151 40mm × 0.047" × 0.056")
(Although nominally the same, Teagle and GYS rings are not identical.)
Not stocked
40 × 1.5 B   Yes
40 × 1.5 C Anker Laura M48, 49, Batavette, Gazelle, Berini M48 Yes
40 × 1.5 D (square cut)   Out of stock
40 × 1.5 D (angle cut)   Yes
40 × 2 A NSU Quickly Yes
40 × 2 B DKW Hummel Yes
40 × 2 BL (Dykes) Kreidler Yes
40 × 2 C Puch, Anker, Demm, Garelli, Kreidler, DKW, Zweirad Union, Flandria, Benelli Yes
40 × 2.5 A Berini M21, M22, M23 Yes
40 × 2.5 B Villiers 3K, Avaros, Kaptein, Peugeot Bima Out of stock
40 × 2.5 C Rex 2-sp & 3-sp, Lavalette, RAP, Mosquito, VAP Yes
40 × 3 D (angled)   Yes
40.2 × 1.5 C Minarelli Yes
40.25 × 1.5 C   Out of stock
40.25 × 2 B Demm, DKW Yes
40.25 × 2 C   Yes
40.25 × 2.5 A Berini M21 1st O/S Yes
40.25 × 2.5 C Rex 2-speed & 3-speed, Lavalette etc. (1st O/S) Yes
40.25 × 2.5 D (angle cut) Solex 50 (New) (3rd O/S) Yes
40.4 × 1.5 B Morini Franco, NVT Easy Rider Yes
40.4 × 1.5 C Minarelli Yes
40.4 × 1.5 D (square cut) Minarelli Yes
40.4 × 2 BL Dykes Minarelli Out of stock
40.5 × 1.5 C   Out of stock
40.5 × 2 B DKW Hummel (2nd O/S) Out of stock
40.5 × 2 C   Yes
40.5 × 2.5 C Rex single-speed, Phillips Panda, Phillips Motorised Cycle Yes
40.5 × 2.5 D (angle cut) Solex 50 (New) (4th O/S) Yes
40.6 × 1.5 C Minarelli Yes
40.75 × 2 B   Yes
40.75 × 2.5 A Berini M21 3rd O/S Yes
40.75 × 2.5 C   Yes
40.8 × 1.5 C   Out of stock
40.8 × 2 BL Dykes Minarelli Out of stock
41 × 1.5 B   Yes
41 × 1.5 C   Yes
41 × 1.8 B   Out of stock
41 × 2 B Berini M31, DKW Hummel Yes
41 × 2 BL Dykes Minarelli Out of stock
41 × 2 C DKW, Victoria Yes
41 × 2.5 A Berini M21 4th O/S Yes
41 × 2.5 C   Yes
41.2 × 1.5 C Minarelli Yes
41.2 × 2 BL Dykes Minarelli Out of stock
41.25 × 1.5 B   Yes
41.5 × 1.5 B Suzuki Yes
41.5 × 1.5 C Berini M48 Yes
41.5 × 2 C   Yes
41.6 × 1.5 C   Yes
41.6 × 2 C   Yes
41.8 × 2 BL (Dykes)   Yes
41.8 × 1.5 C   Yes
42 × 1.5 B   Yes
42 × 1.5 C   Yes
42 × 1.8/2.0 B Suzuki AC/AP50 Yes
42 × 2 A Hercules Her-Cu-Motor (grind slot for B-conversion) Y (refer)
42 × 2 B Hercules Her-Cu-Motor Y (refer)
42 × 2 BL (Dykes)   Yes
42 × 2 C Express Radexi M52, M53, M54 Yes
42 × 2.5 C Jlo F60, Lutz 60cc Out of stock
42 × 3.5 C   Out of stock
42.2 × 1.5 C   Yes
42.2 × 2 BL (Dykes)   Yes
42.25 × 2 C   Out of stock
42.25 × 3.5 C   Out of stock
42.4 × 1.5 C   Yes
42.4 × 2 BL (Dykes)   Yes
42.5 × 1.5 B   Yes
42.5 × 2 C   Out of stock
42.6 × 1.5 B   Yes
42.6 × 1.5 C   Yes
42.6 × 2 BL (Dykes)   Yes
42.8 × 1.5 C   Yes
42.8 × 2 BL (Dykes)   Yes
43 × 1.5 C   Yes
43 × 2 BL (Dykes)   Yes
43 × 3 C   Yes
43.2 × 1.5 C   Yes
43.2 × 2 BL (Dykes)   Yes
43.25 × 2 C   Yes
43.4 × 1.5 C   Yes
43.4 × 2 BL (Dykes)   Yes
43.5 × 1.5 C   Yes
43.6 × 1.5 C   Yes
43.6 × 2 BL (Dykes)   Yes
43.8 × 2 BL (Dykes)   Yes
44 × 1.5 B   Yes
44 × 1.5 C   Yes
44 × 2 BL (Dykes)   Yes
44.2 × 1.5 C   Yes
44.2 × 2 BL (Dykes)   Yes
44.5 × 2 BL (Dykes)   Out of stock
45 × 1.5 B   Yes
45 × 1.5 C   Yes
45 × 2 B DKW Hobby Scooter (Std) Out of stoick
45 × 2 BL (Dykes)   Yes
45 × 2 C DKW Hobby Scooter (Std) Out of stoick
46 × 1.5 B   Yes
46 × 1.5 C   Out of stock
46 × 2 B Trojan Mini-Motor 75cc Out of stock
260-11601-10 Yamaha FS1E .25 rings (1st O/S?) Yes

Autocycle and larger sizes (47mm bore and over)

Diameter
(mm)
Section
(mm)
Slot Application Availability
47 +0.020" oversize
(47.5mm)
× 2.4 C Villiers 1F/2F/4F/6F etc. Out of stock
48 × 2 C   Yes
47 +0.050" oversize
(48.25mm)
× 2.4 C Villiers 1F/2F/4F/6F etc. Yes
50 Standard × 2.5 C Villiers Junior/JDL/Midget Marvel U11, Mk1D/9/10/12/13D/Excelsior Sprite/Goblin etc. Out of stock
50 +0.010" 1st oversize
(50.25mm)
× 2.5 C Villiers Junior/JDL/Midget Marvel U11, Mk1D/9/10/12/13D/Excelsior Sprite/Goblin etc. Out of stock
50.4mm × 2 A Triumph Tina (Std size) Out of stock
50 +0.015" oversize
(50.4mm)
× 2.5 C Villiers Junior/JDL/Midget Marvel U11, Mk1D/9/10/12/13D/Excelsior Sprite/Goblin etc. Yes
50 +0.030" oversize
(50.75mm)
× 2.5 C Villiers Junior/JDL/Midget Marvel U11, Mk1D/9/10/12/13D/Excelsior Sprite/Goblin etc. Out of stock
50 +0.040" oversize
(51mm)
× 2.5 C Villiers Junior/JDL/Midget Marvel U11, Mk1D/9/10/12/13D/Excelsior Sprite/Goblin etc. Yes
50 +0.050" oversize
(51.25mm)
× 2.5 C Villiers Junior/JDL/Midget Marvel U11, Mk1D/9/10/12/13D/Excelsior Sprite/Goblin etc. Yes
50 +0.060" oversize
(51.5mm)
× 2.5 C Villiers Junior/JDL/Midget Marvel U11, Mk1D/9/10/12/13D/Excelsior Sprite/Goblin etc. Out of stock
54 × 2.5 C (1-sided tag)   Out of stock
54 × 2.5 C (conventional 2-sided tag)   Out of stock
55 × 2.4 C   Yes
57 × 2 C Zündapp Bella Yes
57 +0.030" oversize
(57.75mm)
× 2 A ISO Milano Scooter, Lambretta 146cc, NSU Prima 147cc, Zündapp Bella 148cc Yes

Mopedland > Spares > A to Z Rings