Sun Bicycles Retro Alloy 7-SP 2001 Technical specs and features
Brand | Sun Bicycles |
Model | Retro Alloy 7-SP |
First production | 2001 |
Bike category | Cruiser |
Bike sub-category | Cruiser |
Bike Pricing | Check price Here ==> |
Parts And Accessories | Sun Bicycles Retro Alloy 7-SP Parts |
Available Sizes | - 18 (inches) / 45.72 (cm) - 18 (inches) - womens 15 (inches) - womens 18 (inches) |
Wheels And Breaking System
Bike front tire | 26 X 2.125 (inches) Kenda K-80 |
Bike rear tire | Not Available |
Bike wheel size | 26 (inches) Wheels |
Brakeset type | JY-321 Linear Pull Levers JY-915AE Linear Pull Brakes |
Hubs for disc brakes | Rear: Joy Tech Steel Nutted Nutted Front: Joy Tech OS Steel |
Rims manufacturer | 36-hole Rear: HJC-7X Aluminum Front: HJC -7X Aluminum |
Spoke nipples type | Brass Nipples |
Spoke wheel | 2.0 (millimeters) Straight Gauge Sha-Dar Stainless Steel |
Frame and Body Specifications
Frame materials | Hi-tensile Steel |
Frame type | Welded |
Handlebar construction | Steel Hi-rise |
Handlebar extender | Not Available |
Handlebar stem details | Aluminum |
Headset size | 1 (inches) Steel |
Gearing Specs
Bicycle chain | 1/2 X 3/32 (inches) KMC UG-30 |
Bottom bracket shell width | American |
Bottom bracket type | One Piece |
Crankset parts and sizes | 44 Teeth 1-piece 6 1/2 (inches) |
Gear shift levers | SRAM MRX |
Rear gear set | 14 - 28 Teeth 7-speed |
Sun Bicycles Retro Alloy 7-SP Fork System Data
Derailleur (Front) | Not Available |
Derailleur (Rear) | Shimano Tourney TY-22 |
Fork material | Oversize Unicrown Crown Hi-tensile Steel |
Fork type | Sun Bicycles Cruiser Oversized |
Other Specs of Sun Bicycles Retro Alloy 7-SP
Component group sets | Cruiser Mix |
Available colors | - Blue - Red |
Weight | Not Available |
Pedals details | Wellgo LU-990 |
Rear shock absorber | Not Available |
Saddle seat | Viscount V-2348-1 |
Seat post extension | 25.4 (millimeters) Diameter Steel |
Sun Bicycles Retro Alloy 7-SP picture
Retro Alloy 7-SP bike comparison


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Sun Bicycles Retro Alloy 7-SP bike review
Sun Bicycles produced the Retro Alloy 7-SP bike in 2001 and can be classified as a Cruiser bicycle.
Retro Alloy 7-SP bike is available in many sizes such as 18 (inches), womens 15 (inches) and womens 18 (inches).
Sun Bicycles Cruiser Retro Alloy 7-SP can be found in a few colors, among these colors Blue and Red .
This bike is equiped with 26 x 2.125" Kenda K-80 tires and Sha-Dar stainless steel spoke wheel while the rims are manufactured by Front: HJC -7X Aluminum, Rear: HJC-7X Aluminum, 36-hole. Sun Bicycles equiped this exact model with JY-915AE linear pull brakes, JY-321 linear pull levers braking system and Front: Joy Tech OS steel, nutted, Rear: Joy Tech steel, nutted hubs.
To guarantee the comfiest ride Sun Bicycles used Hi-tensile steel material for the frame. Steel hi-rise high strength material is used on the handlebar of this Retro Alloy 7-SP to ensure the perfect handling while the stems are made of Aluminum.
For the smoothest biking experience 1-piece 6 1/2", 44 teeth is used on this bicycle linked to KMC UG-30 chain that is easily replaceable as stated by Sun Bicycles, the whole system is connected to a high reliability SRAM MRX gear shift levers.