Sold: $255 Buyer: Sweden
Vintage 1992 Bridgestone RB-2 59cm steel Shimano 400 Exage 7-speed Araya wheels Sora shifters road
Frame and Wheel is auctioning a 1992 Bridgestone RB-2 steel road bicycle on the Frame and Wheel eBay Store. The owner used this bicycle occasionally. The owner upgraded the down tube shifting with Shimano Sora dual control levers a few years ago. It has spent most its life in storage. The owner traded the bike towards a new bike at Kennebunkport Bicycle Company earlier this year. This RB-2 features Ishiwata CroMo triple butted steel tubing, Shimano Exage 400 EX front and rear derailleurs and hubs, Shimano Sora ST-3300 dual control levers, Sugino cranks and handlebars, Dia-Compe Blaze brakes, MKS Sylvan alloy pedals, Avocet Racing seat, Araya wheels, prism blue and tusk white finish and Bridgestone cool. The serial number on the bottom bracket shell reads X123032. The serial number on the underside of the down tube reads 510911. The serial number on the front fork reads X1B. The bicycle as shown weighs 24 pounds 4 ounces (11.0 kg). There are 130 detailed images of the bicycle at Frame and Wheel’s Flickr page. Please visit the Frame and Wheel website for more information about the service and the company.
Review of condition
The bicycle is in very good condition. It is clean and ready to ride. The shifting is precise and complete in all fourteen gears. The brakes activate easily and grip well and there is about 5 mm of pad remaining on the brake pad wear indicator. The cable housing is not cracked. There is no play in the bottom bracket. The wheels spin freely and smoothly and the spokes are straight and tight. The side walls of the tires are not cracked. The tires hold pressure. There are no bends, bulges or dents in the frame or the fork. There is no road wear on the bottom of the down tube or on the the back of the seat tube. The rear triangle is in alignment with centerline of the frame and the rear derailleur hanger is straight and undamaged. The front derailleur hanger is securely clamped to the seat tube and undamaged. There is no wear under the front fork crown. The steer tube does not show any cracks or bulges. The crown race is secured firmly. There is no corrosion in the head set races, the head set bearings, the steer tube, the seat post or in the water bottle cage bolt holes. The chain does not read 0.75 or 1.0 on the chain wear tool.
Frame and Wheel notes the following. There is a 10 mm x 10 mm scratch in the N in Bridgestone on the dive side down tube. There is a 1 mm x 1 mm scratch in the B in RB-2 on the non drive side top tube. There is a 1 mm x 80 mm scratch on the drive side seat stay. There is a 5 mm x 5 mm scratch on the drive side down tube near the shifting boss. There is a 5 mm x 60 mm area of scratches on drive side chain stay from a dropped chain. There is discoloration in the chain stay chain guard. There is wear around the drop outs. There is wear on the inside surfaces of the chain stays. The handlebar tape shows wear. Some of the stickers show wear. The rear wheel has a mild wobble and will benefit from adjustments to the spokes.
Frame and Wheel conclusion
Frame and Wheel’s view is that this Bridgestone RB-2 will make a fine choice for the cyclist who seeks the smooth ride of a classic steel road bike and the practical benefits of index shifting. The classic bike purist might consider restoring down tube shifting to the bike to capture the original feel of the ride and look of the bike. This RB-2 is in very good condition and it still has many hours of comfortable riding in its steel tubes. The new owner will relish the retro-cool of this unique bicycle and the valuation at which it was obtained.
Specifications
Brand: Bridgestone
Model: RB-2
Model year: 1992
Size: 59 cm
Color: Prisim blue / tusk
Frame material: Ishiwata CrMo triple butted steel
Frame design: traditional road
Frame serial number: X123032 on bottom bracket 510911 on bottom of down tube
Fork design: standard
Fork material: steel
Fork model: Bridgestone
Fork serial number: X1B
Wheel size: 700c
Frame and Wheel rating: Very good condition
Following measurements are by Frame and Wheel
Total weight with wheels: 24 pounds 4 ounces (11.0 kg)
Total weight without wheels: 16 pounds 5 ounces (7.4 kg)
Front wheel weight with skewer: 3 pounds (1.4 kg)
Rear wheel weight with skewer and sprocket: 4 pounds 1 ounces (1.8 kg)
Center of BB to top of seat tube: 59.0 cm
Effective top tube: 58.5 cm (c-c)
Seat post length from bottom to center rails: 22.5 cm
Stand over height from middle of top tube: 83.2 cm
Bottom bracket height: 27.5 cm
Head tube length: 16.0 cm
Rear fork spacing: 127 mm
Front fork spacing: 100 mm
Following measurements are from Bridgestone
Frame size: 59 cm
Seat tube: 59 cm c-t
Seat tube: 57.2 cm c-c
Top tube: 58.5 cm
Chain stay: 41.0 cm
Front center: 59.5 cm
Wheel base: 99.5 cm
Offset: 4.0 cm
Head angle: 74.0 degrees
Seat angle: 72.5 degrees
Trail: 5.6 cm
Stand over: 83.1 cm
Set back: 17.2 cm
Reach: 41.3 cm
Stem extension: 120 mm
Crank length: 175 mm
Front fork
Model: Ishiwata CroMo steel
Year: 1992
Weight: 1 pound 10 ounces 740 g (weighed by Frame and Wheel)
Length: 38.0 cm
Serial number: X1B
Steer tube material: steel
Steer tube diameter: 1 inch
Steer tube length: 20.0 cm (base of crown race to top)
Crown race diameter: 26.0 mm
Drop outs: alloy
Safety tabs: yes mounted separately
Brake type: caliper recessed
Handlebar
Brand: Sakae
Model: CT
Material: aluminum
Width: 40.0 cm c-c
Bar clamp diameter: 26.0 mm
Drop: 150 mm
Reach: 120 mm
Bar tape: Fizik white
Stem
Brand: Kalloy
Model: KF-100
Model year: 1994
Length: 100 mm
Drop: negative
Material: aluminum alloy
Finish: chrome
Quill diameter: 22.2 mm for 1 inch steerer tube
Handle bar clamp diameter: 26.4 mm
Bar clamp: single bolt
Seat post
Brand: SR Sakae
Model year: 1990
Seat clamp type: single bolt alloy
Seat cradle dimension: 45 mm x 35 mm
Post material: alloy
Head material: alloy
Clamp material: alloy
Weight: 344 g (weighed by Frame and Wheel)
Offset: 25.0 mm
Post diameter: 27.0 mm
Length: 22.0 cm from base to top of post
Finish: chrome
Seat
Brand: Avocet
Model: Racing
Year: 1989
Weight: 404 g (weighed by Frame and Wheel)
Covering: Synthetic
Length: 270 mm
Width: 150 mm
Rails: alloy
Length of rails: 70 mm
Rail width: 45 mm c-c
Finish: Black
Crank set
Brand: Sugino
Model: DAC
Model year: 1988
Chain rings: 53T / 40T double
Chain compatibility: 7 speed
Bolt circle diameter: 128 mm
Crank arm length: 175 mm
Spider material: alloy
Bolts: five bolts
Rear derailleur
Brand: Shimano
Group: Exage 400 EX
Model: RD-A400
Model year: 1990 OK
Cage type: Short
Drive train: 7-speed
Front derailleur
Brand: Shimano
Group: Exage 400 EX
Model: FD-A400
Model year: 1991 PO
Type: Clamp-on
Crank set compatibility: double narrow
Brakes
Brand: Dia-Compe
Model: Blaze
Model year: 1983
Pads: for alloy rims
Type: Single pivot side pull caliper brake
Quick release: yes
Dual control levers
Brand: Shimano
Group: Sora
Model: ST-3300
Year: 1999 XH
Speed (R): 8-speed
Speed (L): Double
Features: Flight Deck compatible
Pedals
Brand: MKS
Model: Sylvan
Series: road
Cage material: aluminum
Cage finish: chrome
Pedal type: quill
Body material: aluminum alloy
Body finish: chrome
Axle material: CroMo steel
Weight: 340 g
Cassette
Brand: Shimano
Model: 7 speed
Year: 1990 OK
Gearing: 13, 14, 15, 17, 19, 21, 23
Bottom bracket
Brand: Sugino
Axle type: square taper
Threading: English (BC1.37 x 24 threads per inch)
Shell length: 68 mm
Others
Headset: Hatta Vesta sealed
Drop outs: alloy standard (R) alloy standard (F)
Rear derailleur hanger: non-replaceable
Front derailleur hanger: clamp-on
Cabling: external
Chain: unknown
Front wheel
Brand: Araya
Rim material: alloy
Type: clincher
Serial number: unknown
Size: 700c
Front wheel weight with skewer: 3 pounds (1.4 kg)
Spoke count: 32
Spokes: steel straight gauge external nipples
Lacing: 2-cross
Hub: Shimano Exage HB-RM50
Year: 1990 + / -
Skewer: Shimano
Rim depth: 19 mm
Rim width: 20 mm (o-o)
Tire: Ritchey Road Force
Over Lock Nut Dimension: 100 mm
Finish: Chrome
Rear wheel
Brand: Araya
Rim material: alloy
Type: clincher
Size: 700c
Rear wheel weight with skewer and sprocket: 4 pounds 1 ounces (1.8 kg)
Spoke count: 32
Spokes: steel straight gauge external nipples
Lacing: drive-side: 2-cross non drive-side: 2-cross
Hub: Shimano Exage FH-HG50
Year: 1990 + / -
Skewer: Shimano
Rim depth: 19 mm
Rim width: 20 mm (o-o)
Tire: Ritchey Road Force
Over Lock Nut Dimension: 126 mm.
Finish: chrome
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