07/06/19

Self Shot

07/06/18

분당 - 신갈 - 수서 - 분당

신갈에서 서울 쪽으론 내내 역풍주행이라힘들었다.

HID와 무선 속도계의 간섭 문제로...

HID 를 켠 이후론 무선 속도계가 작동하지 않았다.

07/06/15

꽃.달.임

07/06/14

탄천 라이딩

07/06/13

탄천 야간주행

21:00 - 23:00

단 2시간 만에신갈 - 잠실 왕복했다.

신갈까지는 몸풀기.

수서 부근에 이르니 땀났고...

집을약2 km남겨 놓은 중앙공원 분당천변에선 양쪽 다리에 쥐났다.

Hub Bearing 을 Ceramic으로 바꾸고...

오버 페이스 했다.

-_-

07/06/11

심야 라이딩

분당- 잠실

Boca Bearing

http://www.bocabearings.com/default.aspx

http://www.bocabearings.com/main1.aspx?p=showsearchforpage&bc=SK&type=K&cat=rccrossrefguide&pg=9&mfr=214

http://www.thebikebench.com

http://www.thebikebench.com/cat_bearing.asp?CatID=2

MR6901C-2RU TH9/C3

Item Specifications
Bearing Material	Chrome Steel 52100
Rolling Element Mat.	Ceramic SI3N4
Dimension Type	Metric
ID (d)	12
OD (D)	24
Width (B1)	6
Extended Width
Flange OD (D1)
Flange Width (Bf1)
Groove & Snap Ring
Enclosure #	Two Seals
Enclosure Material	Rubber Seal - HP
Enclosure Type	Contact Seal
Retainer Material	Polymite Plastic
ABEC/ISO Rating	ABEC#1/ISOP0
Radial Play	C3
Lube	Kyodo PS2 Grease
RPM Grease (x1000)	48
RPM Oil (x1000)	55
Dynamic Load (Kgf)	294
Basic Load (Kgf)	150

MR6901C THB/C3

Chrome, Ceramic Hybrid, Open, Phenolic Retainer, C3 Fit

Item Specifications
Bearing Material	Chrome Steel 52100
Rolling Element Mat.	Ceramic SI3N4
Dimension Type	Metric
ID (d)	12
OD (D)	24
Width (B1)	6
Extended Width
Flange OD (D1)
Flange Width (Bf1)
Groove & Snap Ring
Enclosure #	Open
Enclosure Material
Enclosure Type
Retainer Material	Phenolic
ABEC/ISO Rating	ABEC#1/ISOP0
Radial Play	C3
Lube	Shell AF2 Oil
RPM Grease (x1000)	53
RPM Oil (x1000)	62
Dynamic Load (Kgf)	294
Basic Load (Kgf)	150

MR6901CHB-THB/C3

Product Type: Radial

Description: BG (12x24x6) MM Item Specifications Bearing Material Chrome Steel 52100 Rolling Element Mat. Half 440C/Half SI3N4 Dimension Type Metric ID (d) 12 OD (D) 24 Width (B1) 6 Extended Width Flange OD (D1) Flange Width (Bf1) Groove & Snap Ring Enclosure # Open Enclosure Material Enclosure Type Retainer Material Phenolic ABEC/ISO Rating ABEC#1/ISOP0 Radial Play C3 Lube Shell AF2 Oil RPM Grease (x1000) 46 RPM Oil (x1000) 53 Dynamic Load (Kgf) 294 Basic Load (Kgf) 150

MR6901C-ZZ TH9C3

Chrome, Ceramic Hybrid, Shields, Polymite Retainer, C3 Fit

Item Specifications
Bearing Material	Chrome Steel 52100
Rolling Element Mat.	Ceramic SI3N4
Dimension Type	Metric
ID (d)	12
OD (D)	24
Width (B1)	6
Extended Width
Flange OD (D1)
Flange Width (Bf1)
Groove & Snap Ring
Enclosure #	Two Shields
Enclosure Material	Chrome Steel
Enclosure Type	Removable (S)
Retainer Material	Polymite Plastic
ABEC/ISO Rating	ABEC#1/ISOP0
Radial Play	C3
Lube	Kluber L55 Grease
RPM Grease (x1000)	53
RPM Oil (x1000)	62
Dynamic Load (Kgf)	294
Basic Load (Kgf)	150

SMR6901C-YZZ/C3

Stainless, Ceramic lightning Series, C3 Fit, Lube Dry

SMR6901C-YZZ NB2

Stainless, Ceramic Hybrid Lightning Series, Shields

SMR6901C-YUU NB2

Stainless, Ceramic Hybrid Lightning Series, Ultra Seals

SMR6901C-YUU/C3 NB2

Stainless Ceramic, Ultra-Seals, C3 Fit

SMR6901C-2YS/C3 NB2

Stainless, Ceramic, Yellow Rubber Seals, Lightning Series, C3 Fit

SMR6901C-2YS NB2

Stainless Ceramic Hybrid Lightning Series Rubber Seals

SMR6901C-YUU/TH9/C3BK #5 NB2

Stainless Ceramic Lightning Series Ultra-Seals, Polymite Plastic Retainer, C3 Fit, ABEC #5,

SMR6901C-2YS/TH9/C3/BK #5 NB2

SMR6901CHB-YRUTH9/C3

Stainless, Ceramic Halfbrid, High Performance rubber Seals, Polymite Retainer, C3 Fit

SMR6901C-2YS/C3 NB2

Stainless, Ceramic, Yellow Rubber Seals, Lightning Series, C3 Fit

Item Specifications
Bearing Material	Stainless Steel 440C
Rolling Element Mat.	Ceramic SI3N4
Dimension Type	Metric
ID (d)	12
OD (D)	24
Width (B1)	6
Extended Width
Flange OD (D1)
Flange Width (Bf1)
Groove & Snap Ring
Enclosure #	Two Seals
Enclosure Material	YS Rubber Seal
Enclosure Type	Contact Seal
Retainer Material	Stainless Steel
ABEC/ISO Rating	ABEC#1/ISOP0
Radial Play	C3
Lube	Kluber NBU12/300KP
RPM Grease (x1000)	42
RPM Oil (x1000)	48.6
Dynamic Load (Kgf)	294
Basic Load (Kgf)	150

SMR6901C-YUU/C3 NB2 Details

Stainless Ceramic, Ultra-Seals, C3 Fit

Item Specifications
Bearing Material	Stainless Steel 440C
Rolling Element Mat.	Ceramic SI3N4
Dimension Type	Metric
ID (d)	12
OD (D)	24
Width (B1)	6
Extended Width
Flange OD (D1)
Flange Width (Bf1)
Groove & Snap Ring
Enclosure #	Two Seals
Enclosure Material	YU Stain. Ultra Seal
Enclosure Type	Non Contact Seal
Retainer Material	Stainless Steel
ABEC/ISO Rating	ABEC#1/ISOP0
Radial Play	C3
Lube	Kluber NBU12/300KP
RPM Grease (x1000)	40
RPM Oil (x1000)	48
Dynamic Load (Kgf)
Basic Load (Kgf)

6000 (10x26x8)

6001 (12x28x8)

6002 (15x32x9)

6003 (17x35x10)

21531 (21.5x31x7)

2231 (22x31x7)

R6 (9.5x22.2x7)

R8 (12.7x28.5x7.9)

1526 (15x26x7)

608 (8x22x7)

688 (8x16x5)

698 (8x19x6)

6800 (10x19x5)

6801 (12x21x5)

6802 (15x24x5)

6803 (17x26x5)

6804 (20x32x7)

6805 (25x37x7)

6806 (30x42x7)

6807 (35x47x7)

6800 (10x19x7)

6900 (10x22x6)

6901 (12x24x6)

6902 (15x28x7)

6903 (17x30x7)

A new Specialized flagship wheel set

The rims are carbon. thehubs are aluminum.

- Despite of the polished enamel finish which makes them look like plastic -

Specialized ROVAL RAPIDE STAR CARBON WHEELSET

http://www.specialized.com/bc/SBCEqProduct.jsp?spid=25348

FACT carbon rims increase vibration dampening and it's aerodynamically superior design yields 50% less frontal area, dramatically reducing wind drag. The Rapide Star Wheelset is ideal for high performance race / all-around riding. Limited lifetime warranty.

• Intended use: High performance race / all-around riding
• Aerodynamically superior design yields 50% less frontal area, dramatically reduces wind drag
• 100% FACT composite Mid V profile clincher rims provide optimum smoothness and stiffness
• Super-stiff and strong cold forged 7075 Al 5-point star hubs 20 front / 20 rear 2-Into-1 extreme spoke lacing pattern maximizes power transfer
• Custom DT Aerolite butted spokes, 2.0mm round / 2.3x0.9mm bladed
• Roval custom self-aligning hidden nipples with nylon threadlock
• Titanium Quick-release axles, forged alloy levers
• Comes with Shimano Dura-Ace 10 spd compatible cassette body
• Campy 10-Spd and Shimano 9-10 spd compatible cassette bodies available separately
• Padded cordura nylon double wheel bag
• Weight: Wheels = 1750g / pr - Q/Rs = 91g / pr
• Limited lifetime warranty

07/06/04

눈썹이 휘날리도록...

눈꺼풀이 바람이 마르도록.

내달렸다.

실로오랫만에 느껴 본 속도감.

역시 Hardtail !

단연 Hardtail !!

1년 전 오늘...

06/04

2006

Yes.

It was the 4th of June.

1년전, wj 군의 학교숙제...

과연 ...

저 콩에서 싹이 돋았을까?